10, 30, 50, 70, 90, etc
Yes.
The LCM is: 20
350
15
twenty one
Measure the thickness of multiple sheets (Say, ten or twenty) then divide the answer by the number of sheets to get the thickness of a single sheet.
15
Twenty-five and forty-seven ten thousandths
Twenty two over ten is simply this mixed number: 2 and 2/10 or reduced it is 2 and 1/5.
ok, if you multiply ten by one you get ten. If you multiply ten by two you get twenty. If you multiply ten by three you get thirty. If you multiply ten by four you get forty. Sensing a trend here yet? All those things are multiples of ten. Basically, if a number ends in a zero, it's a multiple of ten.
It is: 23,010
40, for example. Any number that is a whole number of twenties.