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
Boss tweed encourage his associates to work like a well oiled machine
thus providing his workers with benefits that encourages them to work like a
well oiled machine. A well oiled machine means that it does not stop, its work
is continuous and efficient.
force is mass multiply by acceleration so it will be 150 multiply by 10 is 1500N