Why can we subtract exponents when we are dividing two things with the same base?

Use the cubic model y = 5a3 - 2a2 + a - 45 to find the value of y when x = 4.

Choose exactly two answers that are correct. 1. (1 pt) Which number sentences could be used to solve this problem? Sharon has 32 friends. She would like to give each friend 12 grapes.

75 Which expression is equivalent to 72? (7.5) (7.2) (7-7-7-7-7) (7.7) 7.5 7.2 7.7.7.7.7 7.7

50,000 is blank times as much as 500?! I don't get it!

Write and solve a proportion to answer the question. What number a is 0.4% of 40?

If the diameter of a circle is 7 inches, which is closest to the circumference?

Rewrite the following in the form log (c). log (10) - log (5)

A race at travels at a rate of 205 mph how far would it travel in 3 hours?

10 qt equal to how many cups

24x^6y^3 / - 6x^3y is equivalent to