Question

9. Find the products using suitable property,
1. 30 ( 14) + 30 x ( 16)
il (21) * (-17) + (-21) (3)
ill. 39 * ( 65) + ( 65)*( 49)
iv. 17 * ( 23) + ( 23) 13
V. 258 x 2 + ( 98) ( 258)
vi 812 * ( 35) + ( 812) 65
vil. 36+ (-79) * (-36)
vill. 85 (99) (85)
ix. 1455 x 786 - 455 x 786
X. 4987 ( 4) + ( 4987) * 96​

Answer 1

Answer:

It is case of distributing property .

Step-by-step explanation:

30(14) + 30 * (16)

30 ( 14+16)

30*30

900 ans

Answer 2

Answer:

1. ans :- 900

Step-by-step explanation:

steps:

1.distributive property : ab+ac =a(b+c)

2.=>30*14+30*16 = 13(16+14)

3.30*20

4.900