7.23x104
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723-7 How did I get this answer though? STEP 1: count how many numbers there is in .0000723---- there is seven STEP 4: since the decimal <--------------- this way , we will write a negative sign and place it as an exponent, like above. See how -7 is slightly 723. It is written as this 723-7 EASY
It is 8.9*10^-5 in scientific notation
It is "(scientific notation)".
This number in scientific notation is 9.8x10-5.
It is: 2.7*10^0 in scientific notation