Question

What is the correct scientific notation for 0.000056?
Responses

5.6×10−5
5.6 times 10 to the power of negative 5

6.5×10−5
6.5 times 10 to the power of negative 5

5.6×105
5.6 times 10 to the power of 5

56×10−6

Answer 1

Correct answer: 5.6×10^−5 (i.e., "5.6 times 10 to the power of negative 5").

Explanation: 0.000056 = 5.6 × 10^−5. The form 56×10^−6 equals the same number but is not proper scientific notation because the coefficient must be between 1 and 10.