Question

11.5 into 10.5 using identities

Answer 1

Answer:

11.5×10.5=(11+0.5) (11-0.5)

By using identities,

(a+b) (a-b) =a^2-b^2

Here,

a=11

b=0.5

Applying,

=(11) ^2 - (0.5) ^2

=121-0.25

=120.75

I hope it was helpful :)