Answer:

Step-by-step explanation:
All numbers in scientific notation or standard form are written
,
where m is a number between 1 and 10.
It's going to be 82 (A)i think .
Answer:
≈201.06193
Step-by-step explanation:
A = πr2=(π)82
≈201.06193
To convert 1.544 to percent multiply by 100
1.544 × 100 = 154.4 %