Question

Convert 0.0045 from standard form to scientific notation.

4.5 x 10^-3

four point five times ten to the negative second

4.5 x 10^-2

0.45 x 10^-2

0.45 x 10^-3

Answer 1

Ignore the choice with words, it's the same as 4.5 x 10^-2.

Answer 2

4.5×10^-3