It is 5000000.
Oh, dude, the leftmost nonzero digit is basically the first digit in a number that isn't zero. Like, it's the number that kicks off the party and gets things going. So, if you see a number like 503, the leftmost nonzero digit would be 5. Hope that clears things up for ya!
.08 or 8 centavos. If the cut off digit is 5-9 round up. If the cut off digit is 0-4 round down.
10
The tens digit is 8 and the ones digit is 5. Rounding to the nearest ten is equal to rounding at the ones digit.When rounding, if the digit is greater than 5, round up; otherwise round off.85, so 90.
To round off 128,674 to leave one nonzero digit, you would round it to 100,000.
It is 400.
It is 300000.
It is 6000000.
It is 300.
It is 500.
500
It is 3000000000.
It is 90000.
500500
It is 5000000.
It is 3000000000.