Question

Using identites, evaluate the following: (5.6)² – (4.4)² ​

Answer 1

Answer:

12

Solution:

( 5.6 )^2 - ( 4.4 )^2

Step-by-step explanation:

a^2 - b^2 = ( a + b ) ( a - b )

Over here a=5.6 and b=4.4

= ( 5.6 + 4.4 ) ( 5.6 - 4.4 )

= ( 10.0 ) x ( 1.2 )

= 10 x 1.2

= 12.0

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Answer 2

Answer

=36.36 - 19.36

=5

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