(-10m^4n^7)(-3m^4n)
= -10*-3 m^4*m^4 * n^7* n^1
= 30m^8n^8
The amount in simple interest is $3624 and in compound interest is $3674 the difference is of $50. So he should choose Simple interest.
<h3>What is compound and simple interest?</h3>
Simple interest is based on the principal amount of a loan or deposit. In contrast, compound interest is based on the principal amount and the interest that accumulates on it in every period.
Here we have the principle is $3000 for 4 years at the rate of interest of 5.2%. Now we will calculate the total amount by simple interest and compounded annually.
By using Simple interest:-

So the total amount will be =3000+624=$3624
By using the Compound interest formula:



The difference between the two amounts will be =3764-3624=$50
Hence amount in simple interest is $3624 and in compound interest is $3674 the difference is of $50. So he should choose Simple interest.
To know more about Compound interest Follow
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Answer: 72.8
Step-by-step explanation:
If you were to fold the lines together, the lengths would have a barely different length so it is 72.8