If an airplane flying at a constant rate of speed covers 800 mi. in 4 hr., how fast is it flying? A. 100 mph B. 150 mph C. 200 m
1 answer:
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The answer is A. 765
Answer:
Step-by-step explanation:
<u>Key skills: Exponents + Fractions</u>
Use the negative exponent property. If your number is x^-y then it would be the same as 1/x^y
3^-4 is the same as
3^4 is 81, so your answer would be 1/81.
Hope you have a nice day and understood this!