Answer:
60√5.
Step-by-step explanation:
√4 = 2 so:
(5√5)(6√4)
= (5√5)(6*2)
= 60√5
(5√5)(6√4) = 5 * √5 * 6 * 2 = 60*√5
17.6
22 x .80 =17.6
17.6 is 80% of 22 so that would be your answer
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