340
To round 345 to the nearest ten, you look at the digit in the tens place, which is 4. Since 4 is less than 5, you keep the tens digit the same and change all digits to the right to zero. Therefore, rounding 345 to the nearest ten gives you 340.
5520
It would be 200 if rounded to the nearest ten and would also be 200 if rounded to the nearest hundred.
0
340
To round 345 to the nearest ten, you look at the digit in the tens place, which is 4. Since 4 is less than 5, you keep the tens digit the same and change all digits to the right to zero. Therefore, rounding 345 to the nearest ten gives you 340.
5520
It would be 200 if rounded to the nearest ten and would also be 200 if rounded to the nearest hundred.
0
rounded to the nearest ten... it would be 420.
0
0
Oh, dude, you're really making me do math right now? Okay, fine. So, 16320 rounded to the nearest ten is 16320. Yeah, I know, super exciting stuff. It's like asking me to pick between vanilla and French vanilla ice cream - basically the same thing, just a different name.
9990
50
To the nearest ten, it would be rounded to 920. To the nearest hundred, it would be rounded to 900.