Asked by Mike
Hi,I need to know how to do question like this without using a calculator. Can anyone help please.
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
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
Answers
Answered by
Ms. Sue
Multiply 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
40 * 40 = 1600 (4 * 4 + 00)
60 * 60 = 3600
200 * 200 = 40,000
2,000 * 2,000 = 4,000,000
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.