Which number is not written in scientific notation?

What number can go into 78 and 500

Find the width of a rectangle if the length is 4 times the width. The perimeter of the rectangle is 50. Define the variable: Write a simplified equation:

A population of bacteria is changing exponentially according to the function below. How can you describe the bacteria population? Select all possible correct answers. B (t) = 400 (1.4) ^0.

The weight of 10 identical samples of a substance is 0.01 pound. What is the weight of 10,000 samples?

Nicole bought 500 shares of a company stock for $8.24/share. she pays a broker a commission of $20 buy and sell sock. after one year, she sold all her shares, which were worth it $10.10/share at the time. what was her rate of return

Ketisha is practicing for a marathon by running around a track thats is 440 yards long. yesterday she ran around the track 20 times. How many miles did she run?

Nine friends are going to share 5 pounds of ice pop sticks equally. What fraction does each friend get? A. 4/5 pounds. B. 5/5 pounds. C. 4/9 pounds. D. 5/9 pounds.

8/14 greater than less than or equal to 8/9

A poll of 1700 randomly selected students in grades 6 through 8 was conducted and found that 53% enjoy playing sports. is the 53% result a statistic or a parameter? explain.

What is the solution to the system of the equations? x = y - 3 x + 3y = 13