Math is hard help !!!!!
1 answer:
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Answer:
73.5
Step-by-step explanation:
To find the mean, sum the data and divide by the amount of data
mean =
= = 73.5
Answer:
Step-by-step explanation:
Let's write the left hand side as a negative power, and 9 as a power of 3:
At this point, for the equality to still stand, the exponents have to be equal: