Question

Express 0.00002003701 in scientific notation

Answer 1

In scientific notation, you take 2 steps to the right of the decimal point and you express it as a power of 10.

10 = 10
10^(-1) = 1
10^(-2) = 0.1

2 * 10 = 20
2 * 10^(-1) = 2
2 * 10^(-2) = 0.2

Thus:
0.00002003701 = 2.00 * 10^(-?)