`9^2xx9^18xx9^10` = _____________

9.8 xx 10.2 =__

Fill in blanks 100 xx 3 + 10 xx 9 + 2 = __________

Simplify the following using laws of exponents : 9^2 xx 9^18 xx 9^10 .

Simplify the following using laws of exponents. 9^(12)xx9^(18)xx9^(10)

9 xx 9 xx 9 xx 9

23.9xx100

Standard form of 9 xx 10 +8 xx 1/10 + 7 xx 1/100 + 6 xx 1/1000 =_____?

Fill in blanks 100 xx ________ + 10 xx 9 + 5 = 795

2/5 xx ((-1)/9) + 23/180 - 1/9 xx 3/4 =_____

The P^(H) of an aqueous solution of NH_4 CN( K_a of HCN is 9.2 xx 10^(-10) & K_b of NH_4 OH is 1.8 xx 10^(-5))