Choose the scientific notation that best represents the standard notation given. 6,840,000,000 m 68.4 x 108 m 6.84 x 108 m 6.84 x 10-9 m 6.84 x 109 m

ANSWER

EXPLANATION.

To write in scientific notation means , we write in form,

Where n is an integer and

The given number is,

We move the decimal point backward to obtain our k, the n here is 9, because we moved backward 9 times.

This implies that,

The correct answer is D

radiation

explanation:

heat is transmitted by radiation