SAT Subject Test Mathematics Level 2

Multiplying powers with the same exponent: To multiply powers with the same exponent,
multiply the bases and keep the exponent:

(3x)(4x)    =   12x

Dividing powers with the same exponent: To divide powers with the same exponent, divide the
bases and keep the exponent:

On Test Day, you might encounter an algebra question, like Example 2, that specifically tests your
understanding of the rules of exponents.

Example 2

THE FIVE RULES OF EXPONENTS

For all 

1.

(A) 2 de^2

(B) 2 de−2

(C) de^2

(D) de−2

(E)

1. (xm)(xn) =   xm+n

2.

3. (xm)n    =   xmn