When a length written as is re-expressed in millimetres using scientific notation

MATHEMATICS · Single correct · CBSE · Mathematics · Power Play · Power Play

Problem

When a length written as

4.7\,\text{m}

is re-expressed in millimetres using scientific notation, the exponent of

10

in the numeric part: (a) decreases by

3

(b) increases by

6

3

(d) remains unchanged