Asked by Bohlale
Between which two integers does each irrational number lie? A)√6
B)√28
C)√12
D)3√18
E)4√58
F)-3√40
B)√28
C)√12
D)3√18
E)4√58
F)-3√40
Answers
Answered by
Damon
Hey, try
I will do D
3 sqrt 18
= 3 sqrt (9*2)
= 3 sqrt (3*3*2)
= 3*3 sqrt 2
= 9 sqrt 2
= 9 (1.414) around 12.5 or so
which is between 12 and 13
NOW
check that with your calculator (Google calculator if you do not have one on your desk)
3 sqrt(18) = 12.728
I will do D
3 sqrt 18
= 3 sqrt (9*2)
= 3 sqrt (3*3*2)
= 3*3 sqrt 2
= 9 sqrt 2
= 9 (1.414) around 12.5 or so
which is between 12 and 13
NOW
check that with your calculator (Google calculator if you do not have one on your desk)
3 sqrt(18) = 12.728
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