If you mean 0.0015 then it is 1.5*10^-3 in scientific notation
2.5 mcg in Scientific Notation = 2.5 x 100mcg
It is: 9.3*10^-2 in scientific notation
It is: 4.73829*10^5 in scientific notation
It is: 8.0*10^-4 in scientific notation
80,736 in Scientific Notation = 8.0736 x 104
15,100.00 in Scientific Notation = 1.51 x 104
376.23 in Scientific Notation = 3.7623 x 102
1,981 in Scientific Notation = 1.981 x 103
-0.0065 in scientific notation = -6.5 × 10-3
You would write it as 5.6x10-5
Your 76,254,048,000,000,000,000,000 is 7.6254048 x 1022 in scientific notation. Note that there is only onedigit to the left of the decimal, and the rest of the quantity is expressed in powers of ten.
12000000000 would be written as 1.2 × 10^10 in scientific notation.