Question

Solve by doing all questions and I’ll mark brainiest

Answer 1

Answer:

a=128 ,b=4600

Q7.

a=17600

b=100000

c=19620

Q8.

1=580

2=-25270

3=1500

4=2500

Answer 2

Step-by-step explanation:

7)

a) 2*50*176

100*176

= 17600

b) 4*25*8*125

100*25*5*8

2500*40

= 100000

c) 2*5*1962

10*1962

=19620

8)

I) 29(17+3)

29*20

=580

II) 812(169-69)

812*100

=81200

III) 15(101-1)

15*100

=1500

IV) 250(141-41)

250*100

=25000