Answer:
See below.
Step-by-step explanation:
For a number 1/10 as large you would multiply by 1/10:
e.g. 100 * 1/10 = 10 .
For a number 10 times larger we multiply by 10:
e. g. 100 * 10 = 1000.
the correct answer is the second
4m-20
Answer
7.59 x 10⁻⁷