Sry I just really need one last answer, it’s rlly important, sry
The formula for the area of a circle is 
So if we have the first one...
≈78.5
Now you can solve the other ones with this formula! Good luck!
Answer:
10
Step-by-step explanation:
0.34 * 10 = 3.4
Answer:




Step-by-step explanation:
Given



Required
Round up to highest place value

Highest place value here is thousand.
So:
, when approximated

Highest place value here is ten thousand.
So:
, when approximated
Highest place value here is ten thousand.
So:
when approximated
Highest place value here is ten thousand.
So:
when approximated

Highest place value here is ten thousand.
So:
when approximated
Answer:
I'm not sure but I've attched a link that can help you calculate unit rates: https://www.calculatorsoup.com/calculators/math/unit-rate-calculator.php
Step-by-step explanation:
Hope this helps
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