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2 answers:
Answer:
A. 3x3x3x3 = 81 because you multiply 3 by itself 4 times
Answer:
it is 3×3×3×3=81 because it is said that
3 squared is 3×3 so I did the same tthing. hope it helps you good evening.
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Answer:
No
Step-by-step explanation:
Answer:
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Answer:
Step-by-step explanation:
Z = (x-µ)/(s/√n)=(98.5-98.2)/(0.62/√19) = 2.11
left tail p-value = 0.9826
so 98.26% are lower.