Question

Using identities, evaluate.
a)1.05 ×9.5
b)10.5×9.5​

Answer 1

Step-by-step explanation:

1 = remove the decimal as they confuse you 105× 95 = 10.925

Answer 2

Answer:

b)(10+0.5)(10-0.5) [Using identity(a+b)(a-b)=a²-b²]

(10)²-(0.5)²

100-0.25

99.75