2√20 and 4*5^1/2. Explanation Below:
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When we simplify 2√20, we get 4√5, and 5^1/2 is √5. Therefore, 4*5^1/2 is 4√5.
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Hope this helps!
Answer:
480 in.
Step-by-step explanation:
10 in. × 8 in. × 6 in. = 480 in.
15x10=150
Subtract 5x5=25 small square cut out
150 -25= 125 sq ft
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Answer:
Expand 
Step-by-step explanation:

Apply the distributive law: 


Apply minus - plus rules:


Multiply the numbers: 

Hope this helps! If so, may I get Brainliest and a Thanks?
Thank you, have a good one! =)