Three - all nonzero digits are significant.
Three. All nonzero digits are significant.
3 significant figures.
Three - all non-zero numbers are significant.
2
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.
Five. All nonzero digits are significant and zeros in between significant digits are significant.
Five. All nonzero digits are significant and zeros in between significant digits are always significant.
Five. All nonzero digits are significant and zeros in between significant digits are always significant.
Five. All nonzero digits are significant and zeros in between significant digits are always significant.
0.Because 456 + 0 = 456. and the digit 4 is used twice in the sum.
Four - zeros between significant digits are significant.