Question

Which expression is equivalent to 4^-5?

A. (4)(4)(4)(4)(4)
B. 1/(4)(4)(4)(4)(4)
C. (-4)(-4)(-4)(-4)(-4)
D. -1/(4)(4)(4)(4)(4)

Answer 1

B

Explanation:

Answer 2

Since there is a negative exponent, you need to first convert that into a positive exponent which is going to be 1/4^5
Then, we can find out the answer by simply breaking apart the exponents into 5 groups of 4.
1/(4)(4)(4)(4)(4)
Answer: B