Question

Which of the following expressions is equal to 3^5 • 3^2?
a) 3^7
b) 3^10
c) 9^10
d) 3^3

Answer 1

Remember that m^a + m^b = m^(a+b).

Answer 2

well, what is 3^5 and what is 3^2, and what does that make when multiplied together?

then you have 4 different possibilities of what it equals

Answer 3

3^7

Answer 4

One of the properties of exponents states that if you have the same base x for x^a+x^b, you can rewrite that as x^a+b.