27×((3 times power of negative 3)) = what? the possible answers given are positive one positive 17 or positive 1/8 none of these answers in getting myself

It's not very hard to put this problem into a calculator. It will tell you ...

... 27×3⁻³ = 1

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That's because 27 = 3³ and (3³)·(3⁻³) = 3³⁻³ = 3⁰ = 1.

How many groups are there?

One shot. if 60% of 10 is 6, then what is 70%? we know it would be seven (since 60% is mathematically 60/100, or 6/10, then 70% is 70/100, or 7/10) but we can check anyway using ratios: 6 : 60% = x : 70%*inverse multiplicationx * 60% = 6 * 70%*divide both sides by 60%x = (6 * 70%) / 60%x = 7and since he has made 6 shots already, he would need just one more to get 7 shots or 70%. if the explanation is too confusing, comment and i will try to