find value of given numbers by suitable property

a) 308+563+222+937

b) 50 multiply 80 multiply 20 multiply 125

(a) 308 + 563 + 222 + 937

= 308 + 222 + 563 + 937

= (308 + 222) + (563 + 937)   [associative law]

= 530 + 1500

= 2030

(b) 50 × 80 ​× 20 ​× 125
 
= (50 ​× 20) ​ × (80 × 125)    [Associative law]

= 1000 
× 10000

=10000000

 

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