71.2k views
4 votes
Choose the correct simplification of the expression 4 over y to the power of negative 3.

A) 4y^3
B) 4 over y to the 3rd power
C) y to the 3rd power over 4
D) This expression is already simplified.

I have attached a picture to make it easier to read the question.

Choose the correct simplification of the expression 4 over y to the power of negative-example-1

2 Answers

3 votes

Answer:

number 1

Explanation:

User FranklinChen
by
5.3k points
6 votes
Answer: 4y³

Justification:

1) Given:


(4)/(y^(-3))

2) Property:

One of the properties of the quotient is that negative exponents are the reciprocals of the positive exponent. That translates into:


x^(-a)= (1)/(x^a), and, x^a= (1)/(x^(-a))


The answer is a direct application of that rule.

User Schnoedel
by
5.6k points