Estimate the following by rounding off the numbers to nearest 100
a)875 + 291 b)866 x 625

a 875 is 900 b 866 multiply by 625 ans is 541280

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

c: lkllmn.

hope it's you