The diameter of the Sun is about 1.4 × 10^6 km. The diameter of Mars is about 7000 km.

What is the approximate ratio of the diameter of the Sun to the diameter of Mars?
A. 5 × 10^-3
B. 5 × 10^2
C. 2 × 10^3
D. 2 × 10^2

Answer:

 C.)  2×10²

Step-by-step explanation:

(Sun dia) / (Mars dia) = (1.4 x 10⁶ km) / (0.7 × 10⁴ km) = (1.4/0.7) × 10²

The ratio of diameters is about 2 × 10².

_____

The applicable rule of exponents is ...

 (a^b)/(a^c) = a^(b-c)

__

The diameter of Mars can be expressed several ways.

 7000 = 7×1000 = 0.7×10,000 = 0.7×10⁴

5x + 2 = 3x + 4(2x - 1) please solve step by step

Maria and Franco are draining water troughs on their farms. Maria's trough drained 60 gallons of water in 75 minutes. Franco's trough drained 75 gallons in an hour and a half.

Explain whose trough drained faster.

PLEASE HELP ANSWER please answer 1-8 please its charts and its due tonight please i will give you brainleist if you answer 1-8 pleassse

Not sure if this is right.

Find the slope and y−intercept of the line in the graph. Express the answers as simplified fractions, if necessary.


Please don't answer if you don't know it. It's not funny and it doesn't help at all.

I just need someone to take help me with the last set of measurements!!


You will need to measure five different people. Record your measurements on the table below. Using a tape measure or ruler, measure the length (in inches) of a person’s left foot and then measure the length (in inches) of that same person’s forearm (between their wrist and elbow). Refer to the diagrams below. You will have two measurements for each person.
(An easy way to measure the length of a foot is to have your subject stand on a piece of paper. Then, trace their foot and measure the outline once they move off the paper.)
To measure the forearm, measure inside the arm, between the wrist and the elbow

Solve the equation. Show your work in the space provided. 2X - 0.5 = 3.7

Show step by step explanation

HELP HELP HELP FREE BRAinlist

help please help please

Given x doesn't equal to 0, find the positive value of b such that the equation 3/x + x/3=b will have exactly one solution.

PLEASE HELP ANSWER please answer 1-8 please its charts and its due tonight please i will give you brainleist if you answer 1-8 pleassse

The map shows the location of four places in a school.

A coordinate plane is shown. There is a point at 5, 2 labeled Front office. There is a point at negative 6, 4 labeled Gym. There is a point at negative 4, negative 3 labeled Auditorium. There is a point at 6, negative 4 labeled Library.

Pat's English class is located in the same quadrant as the gym. Which of the following could be the coordinates of the English classroom?

(2, 5)
(−2, 5)
(−2, −5)
(2, −5)

-3 5/6 + 1 1/10 the answer needs to be a mixed number in the simplest form

The question must be solved something like this

Write an algebraic equation to represent the situation.

3 increased by twice the number of dollars Ronda made yesterday is 12.

Sarah thinks that the
following expressions are
equivalent:
2x + 3 = x/2+ 3/4
Is she right? If so, prove
that these two expressions
are equivalent. If not, what
error(s) did she make?

A pickup truck traveled a distance of 210 miles in 5 hours. If the pickup truck travels at the same speed, how many miles would this truck travel in 6 hours?

A. 175 miles
B. 252 miles
C. 2,310 miles
D. 6,300 miles

Please answer C: <3!

Please help I’m so lost (´༎ຶོρ༎ຶོ`)

ASAP PLZZ AGAINNNNNN

A rectangular poster has an area of 504 square centimeters. The width of the poster is 14 centimeters. How long is the poster?

LEIM deposits some money in an account which pays 5% simple interest per year, and twice that amount in an account paying 4% simple interest per year. If he collects $533.00 in interest after one year, how much did he deposit in the account that has a 5% rate?

I'm slow ->-
The Garden Club is planting fruit trees in their school’s garden. There is one large tree that needs 5 pounds of fertilizer. The rest are newly planted trees that need ½ pound fertilizer each. How many new trees can the garden club plant if they have at most 25 pounds of fertilizer?

Help, this is so confusing.

Manuel borrowed $1,500 from his bank and signed a contract to make monthly payments for one year at a monthly simple interest of 15%. How much total interest will Manuel pay on this loan?

1. A store has notebooks worth $1.60. The store adds a 30% markup. How much is the markup?
2. Gabriela buys a basketball for $78 and a soccer ball for $32. She must pay 8.5% sales tax. What is the total amount she must pay?
3. Sharelle buys a new phone that is $144.60. It is on sale for 25% off. How much does she pay for the phone (not including tax)?
4. Edward buys a novel for $8.40 and a bookmark for $1.20 from a bookstore. The store is having a sale, and everything is 35% off! How much does Edward pay for both items (not including tax)?
5. Jamal sells sandwiches. He spends $2.70 per sandwich on ingredients and then adds a 110% markup. What is the selling price of one sandwich?
6. Elizabeth goes to a restaurant where her bill comes to $18.50. She leaves the server a 22% tip. What is the total cost of going to the restaurant?

In the problem (3 + 2)2 which of the following answers is correct?


Do 3 + 2 and then that answer is squared

Do 3 + 2 and then times by 2

Do 2 squared and then add 3

Do 3 squared and then add 2

PLEASE HURRY! I'M TIMED! WILL GIVE BRAINLIEST FOR CORRECT ANSWER!

Help me pls
In Ocean City, MD a seagull is flying at 210¾ ft. above sea level and a dolphin is swimming at 329¼ ft. below sea level. What is the distance between the seagull and the dolphin?

What does Point P on the number line represent? (Use the hyphen for negative numbers, such as –9)

Number line from negative 12 to positive 12 in increments of 1 is shown. Only the even numbers are labeled. A point labeled P is placed at the first tick mark to the left of negative 10.
(1 point)

please help i forgot how to do thiss ill give brainliest