Any other time I would answer this sorry
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The answer is A.
This is saying 5E-9/2E4, so it equals 2.5E-13.
5^-3 is 1/125
The negative in the exponent makes it so there is a 1 over the problem if there was no negative. When you have a negative in the exponent, the answer will be the reciprocal (opposite) of the question with no negative.
For example,
9^2 = 81
9^-2 = 1/81
Answer:
if you have to add it is 17
if you have to divide it is 1.5
if you have to subtract it is 16
Step-by-step explanation:
