17 tens = (10 + 7) tens = 10 tens + 7 tens = 1 hundred + 7 tens.
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seven tenths
There are 17 tens in 170.
17 tens written in expanded form is 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10, which simplifies to 170. In expanded form, each digit is represented by its place value, with the tens digit multiplied by 10.
8 tens and 17 ones = 97
There are 89 tens in 890.