The tax would be 0.10($640) = $64.
The total cost of her purchase would be 1.10($640) = $704.
28 factors: 1,2,4,7,14,28
70 factors: 1,2,5,7,10,14,35,70
GCF : 14
Jeffrey was right because if you add zero behind the 5 it will be I the tenth place
What data are you talking about ?
