Which expressions are equivalent to this exponential expression
a)1/5
b)-2
c)5-^1
d) 5^1

A is correct.

Step-by-step explanation:

Given:

We are given a exponential expression and to simplify it.

Exponent Law:

Using Quotient rule

Using Product Rule

Using Negative exponent law

Therefore,  

d (5 x (-20)) * (100 x (0.7))

step-by-step explanation:

5÷1/100 * -.7 *-20

copy dot flip

5*100 * -.7 *-20

rearrange

5*-20   * 100 *-.7

-100   *-70

7000