Question

WILL GIVE MEDAL!!!!!!!!!!!!!!!!!

What are the lower bound estimate and the upper bound estimate found by rounding to the greatest place?



672 – 324









A.

lower bound 300
upper bound 500








B.

lower bound 200
upper bound 300








C.

lower bound 200
upper bound 400








D.

lower bound 300
upper bound 400

Answer 1

The largest the difference could be is if you round to 700 - 300...which is 400.
The smallest the difference could be is if you round to 600 - 400... which is 200.

Answer 2

thanks :D