Yes you should use the first choice
Answer:
B.
Step-by-step explanation:
if you want to check it would be
160 x 2.5 = 400
OR
400 / 2.5 = 160
i hope this helps!
<span>The term
describes the amount of interest Ramon will pay is APR, annual percent rate
which is 10%. The term annual percentage rate of charge (APR<span>), corresponding sometimes to a nominal </span>APR<span> <span>and sometimes to an effective </span></span>APR<span> <span>(or EAPR), describes the interest rate for a
whole year (annualized), rather than just a monthly fee/rate, as applied on a
loan,<span> </span></span></span></span>
First, you need to find where you can move the decimal point to so that there is only one non-zero digit to the left of it.
Move the decimal point, and that is the first part done.
Add "
".
For the last part - the power, you need to find how many decimal places you moved the decimal point. In this case, we moved it to the right 2 places, so the power is 
.
If, for example, we had moved the decimal point three places to the left, the power would be 
.
