No, 14*10^8 is not is scientific notation. The mantissa (14) must be a number in the interval [1, 10).
It is: 14 x 10^8
64.3 times 10 to the power of -8 in scientific notation is written as: 0.000000643
2.45x10to the power of 8
4.9 times 10 to the 8th power in scientific notation is 4.9 x 10^8.
It is not. "Scientific notation" uses a base of 10. The correct notation would be 1.251 x 10^8
7110 to the power of 3 can be written in scientific notation as 7.11 x 10^8.
64.3 times 10 to the power of -8 in scientific notation is written as: 0.000000643
8 million in Scientific Notation = 8 x 106
2.45x10to the power of 8
4.9 times 10 to the 8th power in scientific notation is 4.9 x 10^8.
2.51 x 10^8 is written in scientific notation already.
It is not. "Scientific notation" uses a base of 10. The correct notation would be 1.251 x 10^8
1273x10 to the power of 8-nicci
7110 to the power of 3 can be written in scientific notation as 7.11 x 10^8.
8.02 x 10-8 is standard notation, sometimes called scientific notation (for 0.0000000802).
8.6110-8 in scientific notation = 0.6110000000000007
It is: 2.394524283*10^52 expressed in scientific notation
It is: 0.00000001 or as 1.0*10^-8 in scientific notation