Wednesday

April 23, 2014

April 23, 2014

Posted by **Mike** on Thursday, July 15, 2010 at 9:41pm.

Which of the following is closest to square root of 4000

A)40 B) 60 C) 200 D) 2000

I know the answer is B , but I did it on the calculator. Can someone show me how to get the answer by not using calculator.... Thanks a lot

- Math -
**Ms. Sue**, Thursday, July 15, 2010 at 9:50pmMultiply the first digit by itself and add the appropriate zeros

40 * 40 = 1600 (4 * 4 + 00)

60 * 60 = 3600

200 * 200 = 40,000

2,000 * 2,000 = 4,000,000

**Related Questions**

Math simplifying mixed radicals - Please help me simplify these following mixed ...

Math PLEASE HELP ASAP - -PLEASE INCLUDE SOLUTIONS AND EXPLAIN HOW YOU DID IT ...

College Algebra help please - I need some help with a handful of questions. I ...

Math simplifying mixed radicals - Please help me simplify these following mixed...

Math - Please show me a step-by-step of square root of 2209 without using ...

Precalculus - PLEASE HELP ME WITH THESE QUESTION AS MUCH AS POSSIBLE!! Evaluate...

College Algebra - I need some help with a handful of questions. I need to see ...

College Algebra - I need some help with a handful of questions. I need to see ...

trig - Evaluate without using a calculator or tables sin(pi/3 - 3pi/4) The ...

Math ~CHECK MY ANSWER~ - 1) Which of these is a rational number? a. Pi b. Square...