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Mashcka [7]
2 years ago
6

How do i simplify 5 √640

Mathematics
2 answers:
s2008m [1.1K]2 years ago
8 0
Ans : 126 ( to 3 sf )

workings in the pic below :)

Andrews [41]2 years ago
5 0
5 sqrt(640)=
5 sqrt(2*2*2*2*2*2*2*5)=
5 sqrt((2^3)^2*2*5)=
5 sqrt(8^2*10)=
5*8 sqrt(10)=
40 sqrt(10)
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