Question

Which of the following are in scientific notation?

48,200
36 x 10^5
5.23 x 10^-2
0.78 x 10^-3
0.00099
8.7 x 10^-12

Answer 1

5.23x10^-2, 8.7x10^-2

Explanation:

Scientific notation is basically any number(eg121) thats divided by the lowest power of 10 before it turns into 0.something(in this case, 1.21), times the power of 10 u need to dived, in this case 10^2.

Answer 2

Hi and it’s the 3rd one