Question

what is the best integer estimate for the square root 21

Answer 1

lol...
Integer esimate?
well sqrt is kinda halfway between 4 and 5.

Answer 2

@uri
any idea what is a integer estimate?

Answer 3

my teacher gave me a worksheet and im trying to do it at home

the instructions are find the best integer estimate for each square root then check your estimate with a calculatetor the first number is 21

Answer 4

cool what grade is this?

Answer 5

im in 11th but im bad at math so this should be pre algebra so like 9th or 10th

Answer 6

well think this...
3 times 3 is 9
4 times 4 is 16
5 times 5 is 25
so sqrt 21
would be closest to
5

Answer 7

so it basicly its a number times the same number that equals the number like 4 times 4 is 16

Answer 8

yea

Answer 9

and 4 and 5 are closest to 21... 5 is closer so that should be the answer

Answer 10

since this is estimate their might not be exact numbers so 5 to the second power is closest right?

Answer 11

yes

Answer 12

k thxs

Answer 13

do i put just 5 or five to the second power

Answer 14

5

Answer 15

if you think my answer helped you please click the best responce button

Answer 16

i did you helped alot

Answer 17

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\boxed{\mathbb{\text{}{}}{\color{green}{\color{blue}T{\color{purple}H{\color{pink}A{\color{red}NK{\color{orange}S}}}}}}}}}} \]

Answer 18

you might wanna work on some english too :D just joking

Answer 19

no problem thanks for the help i have 7 more to do now ha

Answer 20

4.5x4.5=4.5x4+4.5x0.5
= 18+2.25
= 20.25

Answer 21

hu?

Answer 22

a integer must be a whole number and cannot have a decimal place..
I think you confused him haha

Answer 23

well i have a bunch more to do so if anyone isnt busy i could alwayse use help but i am a slow learner ha