Rounded to the nearest whole number, 3.93 is approximately equal to 4.
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393 inches = 10.92 yards (rounded).
Volume = pi525 = 393 cubic meters rounded to the nearest integer
No. ---- The nth triangular number (n must be a whole number > 0) is given by: tn = 1/2 n(n+1) Testing for 49: 1/2 n(n+1) = 49 → n2 + n - 98 = 0 → n = (-1 ± √393)/2 but 393 is not a square number, so n cannot be a whole number which it must be for a triangular number; thus 49 is not a triangular number.
Yes, 393 us divisible by 3 in addition to 1 and itself. It us a composite number.
393