Integer generally means number.
if s = seconds then
2s = 18
solve for s,
18/2 = 7
s = 7 seconds
As of 12:04 EST U.S.
$1=<span>112.624847Yen
So:
100USD(112.624847Y/1USD)=11262.62 Yen</span>
We can write 630 in expanded form as:
630 = 600 + 30 + 0
and in words:
630 = 6 hundreds, 3 tens and zero ones
the value 6 is 600
and the place value of 3 is 30 and the face value is 3 in the number 630.