6.35 x 10^-4 = 0.000635
It is 0.0000000861
10 ^ -3 = 1/1000 = 0.001. Times 3.2 = 0.0032
10-2 = 0.01
10-7 = 0.0000001
9 times 10 to the power negative 1
The decimal form of 7.73 times 10 to the negative third power is 0.00773
It is 0.0000000861
Ten to the negative sixth power in decimal form is 0.000001
If you mean 8.61*10^-8 then it is 0.0000000861
10 ^ -3 = 1/1000 = 0.001. Times 3.2 = 0.0032
10-2 = 0.01
4.05 times 10 to the third power = 40.5
10-7 = 0.0000001
0.000000000278... Simply move the decimal point 10 places to the left - adding zeros to the start of the number as necessary.
4.05 x10 to the third power is 4,050
0.000005
9 times 10 to the power negative 1