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Mathematics 8 Online
OpenStudy (anonymous):

what is the best estimate for the square root of 27

OpenStudy (campbell_st):

well its between 5^2 and 6^2 so make an estimate based on this information

OpenStudy (anonymous):

a. 6.0124... b. 3.9835... c. 5.0234... d. 5.1961... those r the answer choices

OpenStudy (campbell_st):

so which to you prefer..?

OpenStudy (anonymous):

b????

OpenStudy (campbell_st):

well remember 5^2 = 25 ?^2 = 27 6^2 = 36 so do you think b is sensible..?

OpenStudy (anonymous):

no?

OpenStudy (campbell_st):

ok... so you can eminiate a and b so which do you prefer out of c and d..?

OpenStudy (anonymous):

c?

OpenStudy (anonymous):

???

OpenStudy (anonymous):

am i right

OpenStudy (campbell_st):

well not quite 5.02^2 is between 25 and 25.2 so only leaves 1 choice..

OpenStudy (anonymous):

D!?!

OpenStudy (campbell_st):

thats it... well done...

OpenStudy (anonymous):

:D Thx!!! You sure do have patience...

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