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Can someone please tell me how to do these problems

Can someone please tell me how to do these problems-example-1
User JohnSmith
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1 Answer

7 votes
These are so easy, you won't believe it !

A negative exponent only means

"Put all of this in the denominator, and make the exponent positive."

So (any number)^negative power =

1 / (the same number)^(the same power but not negative) .

The first few problems on that sheet:

1). 5^-3 = 1 / 5^3

2). 6^-10 = 1 / 6^10

3). (-2)^-5 = 1 / (-2)^5

Got it ? You can do the rest of them now in about 2 minutes.
User Ramon Snir
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