31.62
You use pythagorean theorem so 30 is legA and 10 is legB so 20^2+10^2= square root legC which is 31.62
4 x 3 = 12
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Answer:
-1/216
Step-by-step explanation:
You have to look at the base and if the base is negative then you have to look at the exponent and if its a odd number then it will be a negative.
