Area of a circle is πr^2.
From this, we can calculate
π*2.5^2
= π*6.25
= 19.625
= 19.6
Answer: im pretty sure it’s the first one
Step-by-step explanation: )
Here’s a pic of my work, it shows that the numbers 2,7,0 repeat.
Hope this helps!! :)
Answer:
532
Step-by-step explanation:
532 = 2·2·7·19
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There are 24 possible 3-digit numbers from the set {2, 3, 5, 7}. Of those, 6 have four factors: 372, 375, 532, 572, 732, 735.
The sums of factors of these numbers are ...
38, 18, 30, 28, 68, 22
The number of interest is 532.
