Answer:
42 and 21 are composite numbers
By using exponent properties, we will get the simplified expression:

<h3>
How to simplify the given expression?</h3>
Here we have the expression:

Remember the exponent properties:

And:

So using these two properties, we can rewrite:

So we conclude that the completely simplified expression is:

If you want to learn more about exponents:
brainly.com/question/8952483
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3 GB every month..... 21+3=24+3=27+3=30....so 3 GB
Answer:
2/14
Step-by-step explanation:
when you scale the numerator and denominator down by 4, you just divide both of them by 4. So since 8 divided by 4 is 2 and 56 divided by 4 is 14, the answer is 2/14
11 as a decimal would be : 11.0
1/6 as a deximaal would be : .166667
Hope this helps!