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4 votes
Helpppppppppppppppppppppppppppppppp

Helpppppppppppppppppppppppppppppppp-example-1

2 Answers

3 votes
Answer:
1/625

Step-by-step explanation:
In case of multiplication of numbers with same base, we add the powers.
This means that:
a^x * a^y = a^(x+y)

Applying this to the given, we will find that:
(5^-1) * (5^-3) = 5^(-1-3)
= 5^-4
= 1/625

Hope this helps :)
User MeJustAndrew
by
8.1k points
4 votes
First we rewrite the expression:
(5 ^ -1) * (5 ^ -3)
Using properties of exponents we have:
(1/5) * (1 / (5 ^ 3))
Rewriting:
(1/5) * (1 / (125))
1/625
answer:
An equivalent expression is:
1/625
option 1
User Dominick Navarro
by
8.6k points

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