Question

evaluate using identities 1.05x9.5​

Answer 1

Step-by-step explanation:

question is evaluate 10.5 × 9.5

=> (10 + 0.5)(10 - 0.5)

=> 10² - 0.5²

=> 100 - 0.25

=> 99.75

identity used => (a + b)(a - b) = a² - b²

Answer 2

Step-by-step explanation:

4

2

105

x95

525

945x

---------

99.75