how to estimate sums and differences?

2006-11-29 11:59:49 · 2 answers · asked by sandra57612004 1 in Business & Finance ➔ Investing

Use the first few digits to approximate.

So 521 + 409 could be estimated as 500 + 400 = 900ish.

2006-11-29 12:26:42 · answer #1 · answered by Yada Yada Yada 7 · 1⤊ 0⤋

Sums means adding and differences means subtracting. The only answer is practice!

2006-11-29 20:07:21 · answer #2 · answered by yoink78 2 · 0⤊ 0⤋

fedest.com, questions and answers