How do you simplify 2.312- 1.0672+ 2.82.312−1.0672+2.8?

2 Answers
Me_Aadithyan17 · EZ as pi
Aug 5, 2017

4.04484.0448
Refer Below Chap...

Explanation:

If you're Confused with that Decimal Thingy, it's not a problem at all, just understand the concept..

Add first, then subtract.

2.82.8 is the Same as 2.8000" "2.8000 (the Zeroes after the Significant Figure do not matter)

Now You can proceed....

2.8000+2.3120=5.11202.8000+2.3120=5.1120

5.1120-1.0672=4.04485.1120−1.0672=4.0448

EZ as pi
Aug 6, 2017

4.04484.0448

Explanation:

This involves only the addition and subtraction of decimals.

Align the numbers with the decimal points under each other.
Add first:

color(white)(www.)2.3120www.2.3120
color(white)(ww)+ul2.8000" "larr fill in place holders with 0s
color(white)(www.)5.1120" "larr find the sum
color(white)(ww)-ul1.0672" "larr now subtract
color(white)(ww.w)ul4.0448

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