Answer:
<em><u>= </u></em><em><u>28.27m </u></em>
Step-by-step explanation:
<h3>
AREA OF CIRCLE <u>
= 2 π r</u></h3>
= 2 x 3.14 x 3m
<em><u>= 28.27m </u></em>
It's the sum of the three masses:

If rounding to the hundreds
To estimate round 324 and 285 to the closest hundred.
300 - 300
Then subtract 300 - 300 =
0
If rounding to the tens
To estimate round 324 and 285 to the nearest ten.
320 - 290
Then subtract 320 - 290 =
30
Answer:
4.
Step-by-step explanation:
32.83 + 0.8 = 33.63
37.63 - 33.63 = 4.