9 + 9 - 9 + (9/9)
You can use the parentheses if you want but they are not required if you follow proper order of operations:
9 + 9 - 9 + 9/9 = 9 + 9 - 9 + 1 = 10
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9 + (99/99) = 10 or (9 / 9) + (9 - 9) + 9 = 1 + 0 + 9 = 10
Every ten there is a nine in the ones place, therefore there are 100 nines in the ones place.Every hundred there are 10 nines in the tens place, therefore add 10 * 10 nines. eg 90, 91, 92, 93, ... in the tens placeEvery thousand there are 100 nines in the hundreds place, therefore add 100 nines.Total is 300.
five divide by ten equals to five tenthsfive tenths is .5
You would use the number 9 ten times.
A ten and a two.