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3 significant figures.
Yes - since the sum of the digits of the number 456 is equal to a multiple of 3, 456 is divisible by 3 - in this instance, 456/3 = 152.
0.Because 456 + 0 = 456. and the digit 4 is used twice in the sum.
6
Assuming all 45 digits are different (which they will not be if they are ordinary integers), then 456, if repetitions are allowed. That is 8303765625. If repetitions are not allowed then the number falls to 45*44*43*42*41*40 = 5864443200
3 significant figures.
Three - all nonzero digits are significant.
Three. All nonzero digits are significant.
Three - all non-zero numbers are significant.
Three
Yes - since the sum of the digits of the number 456 is equal to a multiple of 3, 456 is divisible by 3 - in this instance, 456/3 = 152.
401
0.Because 456 + 0 = 456. and the digit 4 is used twice in the sum.
6
456/70 = 6.514 = 6.5 to 2 significant figures.
the answer should be 456
114