Question

Asma finds that 8 x 5 = 40, how can
she use this fact to solve 8 × 10 = ?

Answer 1

8 × 10 = 80

Explanation:

8 (10) replace the 0 if it's a 10

so its = 80

if u multiply any number by 10 u will get a 0 number

example:

7 × 10 = 70

8 × 10 = 80

9 × 10 = 90

10 × 10 =100

but the answer is:

80

Answer 2

5 × 2 = 10

8 × 10 = 2(8 x 5)

8 x 5 = 40

2 x 40 = 80

8 × 10 = 80