Sangeetha Pulapaka
0

STEP 1: Recall what are exponents

STEP 2: Recall what is standard notation and scientific notation

http://www.amathsdictionaryforkids.com/qr/s/standardNotation.html

STEP 3: Compare

8.79 \times 10^{4}

=8.79 \times 10000

= 87,900

which is greater than 10,456

So A is the answer

Skills you may want to recall:

How to multiply a decimal number with 1000