How to write four hundred seven million six thousand nine hundred and sixty two?

  407 006 962

Explanation:

four hundred seven million = 407 000 000

six thousand  = 6000

nine hundred and sixty two = 962

Together =  407 006 962

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.