Question

Subtract 4.66×10^−5 − 7.34 × 10^−7
Responses
2.68 x 10^2
4.5866 x 10^-5
-4.5866 x 10^-5
-2.68 x 10^2

Answer 1

To subtract 4.66×10^−5 from 7.34 x 10^−7, you have to subtract the numbers and keep the exponential notation the same.

7.34 x 10^−7 - 4.66 x 10^−5 = -4.5866 x 10^-5

So the correct answer is option 2: 4.5866 x 10^-5.