2.1 × 105
2.1 × 10^5
210,000 = 2.100000e+5
In scientific notation - it would be 5.22x106
12,280,000 would be 1.228x107 in scientific notation.
778412020 in scientific notation is: 7.78412 × 108
Because if they did not, then it would not have been called scientific notation!
It is 7.28*10^-7 in scientific notation
A number such as this would not normally be expressed in scientific notation.
It is: 8.0*10^-4 in scientific notation
It is: 4.73829*10^5 in scientific notation
It is: 3.9*10^7 in scientific notation