0.
Because 456 + 0 = 456. and the digit 4 is used twice in the sum.
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.
3 significant figures.
567
0 123 456 OR if you don't want to count the zero: 1 234 567
The number 456 can be represented by the Roman numeral CDLVI
the answer should be 456
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
3 significant figures.
567
Three
Three - all nonzero digits are significant.
Three. All nonzero digits are significant.
0 123 456 OR if you don't want to count the zero: 1 234 567
The number 456 can be represented by the Roman numeral CDLVI
Digits in each number are increasing. 456, 6789, and 12 would also fit in this pattern
They all have consecutive digits within them.