• I am thinking of a number with 5 digits. • The tens place has a value of 70.
• There are 9 ten thousands in this number
• The ones place has 3 ones.
• It would take 80 tens to model the value in the hundreds place.
• The value of the digit in the thousands place is four thousand.
What is my number?

The answer is 26 to 1

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.