Value of the given expression 8.2 x 19 using compensation method is equal to 155.8.
As given in the question,
Given expression is equal to :
8.2 x 19
Apply compensation method to make the calculation easily and get the value of the given expression we have,
8.2 x 19
Rewrite 19 as ( 20 -1 ) we get,
= 8.2 × ( 20 - 1 )
Apply distributive law multiplication over subtraction we get,
= ( 8.2 × 20 ) - ( 8.2 × 1 )
= 164.0 - 8.2
= 155.8
Therefore, value of the given expression 8.2 x 19 using compensation method is equal to 155.8.
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