Evaluate `0.54xx0.54xx0.46xx0.46` using identities.

12.46xx10

Evaluate: (0.6 xx 0.6 xx 0.6- 0.3 xx 0.3 xx 0.3)/(0.6 xx 0.6 + 0.6 xx 0.3 + 0.3 xx 0.3) , using suitable identity

Evaluate each of the following by using identities: (i) 0. 54\ xx\ 0. 54-0. 46\xx\0.46 (ii) 103\ xx\ 107

Evaluate each of the following by using identities: 0.54x0.54-0.46x0.46 (ii) 103x107

Evaluate each of the following by using identities: (0.99)^(2) (ii) 185xx185-115xx115

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

Evaluate: (0.8 xx 0.8 xx 0.8 + 0.5 xx 0.5 xx 0.5)/(0.8 xx 0.8 - 0.8 xx 0.5 + 0.5 xx 0.5)

If sqrt(0.04 xx 0.4 xx a)=0.4 xx 0.04 xx sqrt(b) then find the ratio a/b .

Evaluate ((0.2 xx 0.36 + 0.8 xx 0.36)/(0.18))