Sagot :
Answer:
the correct answer is the first one.
Step-by-step explanation:
When we see a negative exponent, it tells us how many times to multiple the reciprocal of the base. In this case the base is 10 so its reciprocal would be 1/10. We would multiple the reciprocal of 10 (1/10) 7 times.
Answer:
the first selection
Step-by-step explanation:
x^-1 equals to 1/x
10^-7 = 1/10^7
= 1/10 x 1/10 x 1/10 x 1/10 x 1/10 x 1/10 x 1/10