Question

20. Multiply
a) 843x12 b) 9432x413

Find HCF by listing factors
a) 25,40 b) 14,21,28
22. Find the product
alx5
b)x17
7
c) 3x6
d)​

Answer 1

Answer:

a.10116

b.3895416

HCF:

a.5

b.7

Step-by-step explanation:

Answer 2

Step-by-step explanation:

20.

a) 843 × 12 = 10,116

b) 9432 × 413 = 3,895,416

21.

a) HCF = 5

b) HCF = 7