Question

Which of the following numbers is written in scientific​ notation?
4.17
19 times 10 Superscript 1
4.17 times 10 Superscript 1
19
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Part 1
Choose the correct answer below.
A.19 times 10 Superscript 1
19 times 10 Superscript 1
B.4.17
4.17
C.19
19
D.4.17 times 10 Superscript 1
4.17 times 10 Superscript 1

Answer 1

D. 4.17 × 10^1

Scientific notation requires a coefficient a with 1 ≤ a < 10 (and a power of 10). 4.17 × 10^1 meets that condition.