105 = 10 * 10 * 10 * 10 * 10 = 100,000
The standard notation for 1.345x10 to the -5 power is 0.00001345
9
10 to the power of 5 or 105 is written as 100,000 in standard notation.
5 times by 10 to the power of 3 in standard notation = 5,000
15
5
7.4 × 10-5 written in standard notation is 0.000074
625
390,100
625
9.002 × 10-5 written in standard notation is: 0.00009002
3.39x105 = 339,000