Answer:
125 meters
Step-by-step explanation:
Let distance = d and time is t
Using the variation;
d = k t^2
So let’s us get k
80 = k * 4*2
16k = 80
k = 80/16 = 5
So for 5 seconds, the distance would be;
d = 5 * 5^2
d = 125 meters
This is already written in scientific notation, but if you are asking what the answer would be written out it is: 400000
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Remember that when you find 30% of the number you have to subtract the 30% from your original $90 because it is 30% off the original price.