If I read correctly, 2456 pennies needs to be divided simply by 3 then rounded to the nearest hundredth. So you would do 2456/3 3 goes into 24 how many times? Then 3 goes into 5 how many times, then continue the pattern. Once you've gotten a decimal to the thousandth, round the number to the hundredth and there you go
I think it is 21 and 50. The only common factor they have is 1.
All the others are divisible by 1 & 3.
13 hours
78.00 ÷ 6.00 equals 13 hours
6×13 equals 78
3^3 is equal to 3 * 3 *3, which is equal to 27
