There are 1.367 billion people in India and 1.434 billion people in China. How many more people live in China than India?
How many times as many people live in China as in India?

Idon't know that language

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.