Add the following:
`10+10+10+10`

Find the following: 7/(10)+2/(10)

10xx0+10+10-10

Evaluate the following : |-7|+|10|

What is the pH of the following solutions: a. 10^(-8)M HCl b. 5 xx 10^(-8) M HCl c. 5xx10^(-10)M HCl d. 10^(-3) M HCl

Differentiate the following w.r.t.x. log_(10)x+log_(x)10+log_(x)x+log_(10)10

For which of the following cases does the reaction go farthest to completion K=1 , k=10^(10), K=1^(-10) ?

Find the mean of the following distribution: 10 30 50 70 89 7 8 10 15 10

Verify the following : (-10)xx{(-7)+(-9)}={(-10)xx(-7)}+{(-10)xx(-9)}

Determine the mode for the following observations : 10,11,10,12,11,10,11,11,11,12,13,11,12.

Compare the following numbers: (i) 2. 7xx10^(12) and 1. 5xx10^8 (ii) 4xx10^(14) and 3xx10^(17)