The 6 is in the ones place the 1 is in the tens place and the 2 is in the hundreds place.
Answer: Choice A) 8.742 * 10^7
=====================================
Work Shown:

Extra info:

which is a little over 87.4 million
Answer:
0.375
Step-by-step explanation:
Let's say this number is a:
a*(a-9) = 90
a^2-9a-90 = 0
(a-15)(a+6) = 0
a = 15 or a = -6
Therefor a. would be the correct answer :)