Rounding Q: Does 0.9996 round to 1.000 when rounded to....

Since the digit to the right of the thousandths place is "five or greater", you have to round up.

Since the digit in the thousandths place is a 9, you have to round up to a zero, and carry the 1.

But since the digit in the hundredths place is also a 9, you have to round that up to a zero, too, and carry another 1.

And so forth.

Since the first place from which you will not get a "carry" is the ones place (which has a zero), you naturally end up with 0.9996 rounding to 1.000.

Good work!

Eliz.
 
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