9
Find the missing exponent.
511
57
54 Exponent only in the answer box

this may not be at all, but i use the same website you're using for school, and if i'm stuck doing one of these i try to look for it on the section.

a.for lorena 14 hours makes $126   for 16 hours she makes 144

for julie 6 hours makes $72 for 21 hours its $252

b. julie makes more money than lorena julie makes $12 an hour and lorena makes $9  

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