Question

How is 6.3 written in scientific notation? 6.3 times. 100 63 times. 10–1 6.3 times. 101 63 times. 100

Answer 1

The scientific notation of 6.3 is written as 6.3 × 10^0; option A

Scientific notation

• The decimal points should be moved between the first digit and the next digit.

• When moving decimal point to the left in scientific notation; it is negative, that is, -

• When moving decimal point to the right in scientific notation; it is positive, that is, +

Therefore, since there are only two significant number in 6.3, the decimal point can not be moved.

6.3 in scientific notation

= 6.3 × 10^0

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