Simplify the following using the identities: `(58^2-42^2)/(16)` (ii) `178\ xx\ 178\ -22\ xx\ 22`

Simplify the following using the identities: (58^(2)-42^(2))/(16) (ii) 178x178x-22x22

Simplify the following using the identities: (198 xx 198-102 xx 102)/(96) (ii) 1. 73 xx 1. 73-0. 27 xx 0. 27

Simplify the following using the identities: (198\ xx\ 198-102\ xx\ 102)/(96) (ii) 1. 73\ xx\ 1. 73-0. 27\ xx\ 0. 27

Evaluate each of the following by using identities: (i) (0. 99)^2 (ii) 185\ xx\ 185-115\xx \ 115

Simplify the following using laws of exponents : 2^(4a) xx 2^(5a) .

Simplify the following using laws of exponents : 2^4 xx 3^4 .

Simplify the following using laws of exponent 2 ^(12) xx 2 ^(2)

Simplify the following using laws of exponents : 2^10 xx 2^4 .

Evaluate the following using identities: (i) (105)^(2) (ii) (47)^(2) (iii) (8.3 xx 7.7)

Simplify the following using the formula: (a-b)(a+b)=a^2-b^2: (i) (79)^2-(69)^2 (ii) 197\ xx\ 203