Answer:
3^-5 = 1/3^5
Step-by-step explanation:
3^4 ⋅ 3−^9
When multiplying exponents and the bases are the same, we can add the exponents
a^b * a^c = a^ ( b+c)
3^4 ⋅ 3−^9
3^( 4-9)
3^-5
We know that a^ -b = 1/a^b
3^-5 = 1/3^5
Answer: its D) 24
Step-by-step explanation:
For your answer i have checked and it is correct it is D) 24
Answer:
0.43 miles
Step-by-step explanation:
Let t be the time it takes Achilles to run the race. Since Achilles runs at a speed of 13 mph, the distance he covers in time t is d = 13t.
Also, by the time Achilles finishes the race, the turtle has already covered a distance, d at a speed of 1 mph in the same time, t. So, d' = 1t = t
Given that when Achilles reaches the finish line, the turtle is 2/5 of a mile behind him, then d - d' = 2/5.
So, 13t - t = 2/5
12t = 2/5
t = 2/5 × 1/12
t = 1/5 × 1/6
t = 1/30 h
So since d = distance from start to finish = distance Achilles covers = 13t,
Substituting t = 1/30 into d, we have
d = 13t
= 13 × 1/30
= 0.43 miles
Since the results are equal to each other, there is more than one solution to x