Yes, although the one is not necessary. You can just write 10^-1 km
It is not. "Scientific notation" uses a base of 10. The correct notation would be 1.251 x 10^8
The correct scientific notation for 0.00050210 is: 5.021 × 10-4
The correct scientific notation for 0.00566 is: 5.66 × 10-3
10 to the fifth power in scientific notation is expressed as 105
It is known as scientific notation.
It is not. "Scientific notation" uses a base of 10. The correct notation would be 1.251 x 10^8
The correct scientific notation for 0.00050210 is: 5.021 × 10-4
The correct scientific notation for 0.00566 is: 5.66 × 10-3
10 to the fifth power in scientific notation is expressed as 105
62.605 x 10 = 626.05. The scientific notation of 626.05 is: 6.260500e+2
The correct scientific notation for 0.000681 is: 6.81 × 10-4
The given number has a significand of 18. In scientific notation, the significand must lie in the interval [1, 10). So the correct notation is 1.8*107
It is known as scientific notation.
The correct scientific notation representation for 0.000214 is: 2.14 x 10-4
5.37 x 10-4The correct scientific notation of 0.000537 is: 5.37e-4
It is: 1.55*10^9 in scientific notation
The correct scientific notation for the number 0.99 is 9.9 x 10^-1.