Answer: I think its the second one
Explanation:
Answer:
B
2.5 x 7 = 17.5
10^-10 x 10^-6 = 10^(-10-6) = 10^-16
17.5 x 10^-16
1.75 x 10^-16 x 10
1.75 x 10^(-16+1)
1.75 x 10^-15
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