What's the question? Do you want to prove these statements?
The exponent would b 15
U just gotta solve it than u get 3375 than look for the square root of that and it’s 15over15
On side is 20 Bc L= 30 (L x 2)
=> 60
=> 100 - 60
=> 40 = W
=> W / 2
=>20
1 Side is 20
Hope I Helped
Answer:
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If you're talking about PEMDAS it's Division. (Parenthesis., Exponents, Multiplication, Division, Subtraction just in case you forget)