Question

Solve the (v) part i.e 8.3 *7.7 ok


please it's a humble request that answer correctly​

Answer 1

Answer:

8.3 × 7.7 = 63.91

Step-by-step explanation:

hope it will help you

good night and sweet dreans

Answer 2

Answer:

$\huge{\boxed{\rm{\red{8.3×7.7=63.91}}}}$

Step-by-step explanation:

Given that: 8.3×7.7

It can e writte as (8+0.3)(8-0.3)

This is in the form of (a+b)(a-b)

Here, a=8 and =0.3

we know that

(a+b)(a-b)=a²-b²

(8+0.3)(8-0.3)

=8²-(0.3)²

=64-0.09

=>63.91

8.3×7.7=63.91