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liberstina [14]
3 years ago
12

PLEASE HELP ME!!! I don’t know the answer and I have to show my work!!!

Mathematics
2 answers:
gladu [14]3 years ago
8 0
Since the indices of the roots are the same, we can write the given expression as

fourth root of (400/5), which is "fourth root of 80."  

What are some fourth powers?

1^4=1
2^4=16
3^4= 81

Note that 16 is a factor of 80.  Therefore:

fourth power of 80 = (fourth power of 16)*(fourth power of 5)
                              = 2*(fourth power of 5)   (answer)
max2010maxim [7]3 years ago
7 0
4√400  / 4√ 5   ( both are 'fourth roots ')

= 4√ (400/5)

= 4√80

= 2.99 to nearest hundredth
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