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Question #27d03

1 Answer

Nov 16, 2016

#4times10^(-7)#

Explanation:

#0.0000004#

Scientific notation is a number between 1 and 10 multiplied by 10 to a power.

We can see that the number between 1 and 10 will be #4#. To find the exponent for which 10 will be the base, count the decimal places from the #4#.

#=4times10^(-7)#

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