Question

Which number is not in scientific notation?

Answer 1

3.2 * 10^-2
15 * 10^20
8 * 10^13
1.42 * 10^-9

Answer 2

2, 3, 4 ,5 , 1000 is not in scientific notation

are:
\[number* 10^{number}\]

\[10^{3}=1000 \]

Answer 3

is more common \[2*E^{-5}\]

Answer 4

Remember a scietific notation is this:
a # more than 1 less than 9 times 10 with the exponent of how ever many decimal points you skipped. In this case, the answer is b.