Question

the sum of 0.42+0.042+0.0042-0.00042​

Answer 1

0.42+0.042+0.0042-0.00042​ = 0.46578

Step-by-step explanation:

0.42+0.042+0.0042-0.00042​

= 0.42000 + 0.04200 + 0.00420  - 0.00042​

0.42000

0.04200

0.00420

_________

0.46620

__________

=  0.46620  - 0.00042​

  0.46620

-  0.00042​

 __________

  0.46578

  ___________

0.42+0.042+0.0042-0.00042​ = 0.46578

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Answer 2

The value of expression is 0.46578.

Step-by-step explanation:

The given expression is

$0.42+0.042+0.0042-0.00042$

We need to find the sum of given expression.

Separate the positive terms.

$(0.42+0.042+0.0042)-0.00042$

Simplify the parenthesis.

$0.4662-0.00042$

Subtract the numbers.

$0.46578$

Therefore, the value of given expression is 0.46578.

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