Question

Find the following using various properties -
a) 370 x 1587 - 37 x 10 x 587
b) 827 x8 + 827 x2

Answer 1

Step-by-step explanation:

a). 370 × 1587 - 37 × 10 × 587

First we use associative property in 37 and 10

= 370 × 1587 - ( 37 × 10 ) × 587

= 370 × 1587 - ( 370 ) × 587

= 370 × 1587 - 370 × 587

Now we use Reverse of Distributive property by taking 370 common

= 370 × ( 1587 - 587 )

= 370 × 1000

= 370000

B - 8759 × 94 + 8759 × 6

= 8759 × (94 + 6)

= 8759 × 100

= 875900

(By using distributive property)

Answer 2

Step-by-step explanation:

I think it should be 875900