# math

posted by .

Use a calculator and systematic trial to approximate each square root to 2 decimal places. SHow your work.
a) square root of 20=
B) Square root of 55=
c)square root of 115=
What would systematic trial mean and what do they mean by approximate each square root to 2 decimal places?? plz help!! thx:)

• math -

helpp plz

• math -

I don't know exactly what a systematic trial is here -- but it seems to me that you simply find the square root of these numbers and then round to the nearest hundredth.

Example:
square root of 20 = 4.472 = 4.47

• math -

exactly what Ms. Sue said square root of 20 is 4.472135 round that to 4.47. What perfect square is closest to 20. Like 4 squared is 16, 5 squared is 25. 16 IS CLOSER SO it will be more likely closer to 4 than 5 i dk if you are talking about this. Also think about your decimals, if you know it is not a perfect square think of a decimal which will multiply or square and give you a number which you will know when you add to four, the whole answer will be 20

## Similar Questions

1. ### Math

Just need some help... Directions: Multiply or raise to the power as indicated... Then simplify the result. Assume all variables represent positive numbers. 1. 5(square root of 6) times two-thirds(square root of 15)= 3 one-third (square …
2. ### Algebra

Rationalize each expression by building perfect nth root factors for each denominator. Assume all variables represent positive quantities. I don’t understand how to compute these. Also I don’t have the square root sign so I typed …
3. ### Math simplifying mixed radicals

Please help me simplify these following mixed radicals:: and show me how you did it cause I need to learn : I don't know how to type a square root sign so I just wrote square root: 2 square root 48 3 square root 81 6 square root 12 …
4. ### Math simplifying mixed radicals

Please help me simplify these following mixed radicals:: and show me how you did it cause I need to learn : I don't know how to type a square root sign so I just wrote square root and the numbers infront of the square root are supposed …
5. ### Math ~CHECK MY ANSWER~

1) Which of these is a rational number? a. Pi b. Square root 3 ****** c. Square root 2 d. 1.3 (the # 3 has a line at the top) 2) Which of the following sets contains 3 irrational numbers?
6. ### Math Help!

Four students worked to find an estimate for square root 22. Who is closest to finding the true estimate?
7. ### math

1) Which of these is a rational number? a. Pi b. Square root 3 ****** c. Square root 2 d. 1.3 (the # 3 has a line at the top) 2) Which of the following sets contains 3 irrational numbers?
8. ### math

Four students work to find an estimate for square root 54. Who is closest to finding the true estimate?
9. ### math

Four students work to find an estimate for square root 37. Who is closest to finding the true estimate?
10. ### Math

Four students work to find an estimate for square root 27. Who is closest to finding the true estimate?

More Similar Questions

Post a New Question