The answer to the question
Answer:
B.
Step-by-step explanation:
The answer is the last one; to express very large or small numbers.
We use it so we can show big or very small numbers in an easier way.
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:
s=25
Step-by-step explanation:
