13. Which of the following is not an exponential function?
1 answer:
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Peter waled 8900 feet. How many miles is it?
Well, it's surely at least one mile! 8900 is bigger than 5280. And how much more than one mile? let's subtract 5280 from 8900:
8900-5280=3620.
now, this is less than another mile: so it's more than 1 but less than 2 miles: only options 3) and 4) are possible.
so the exact answer is 1.685 and an approximation is 1.7 (because from digit 5 up we round up: 1.64 would be rounded down to 1.6)- the correct answer is 4)!!!
how much is 3600 feet?
it's
Well, it's surely at least one mile! 8900 is bigger than 5280. And how much more than one mile? let's subtract 5280 from 8900:
8900-5280=3620.
now, this is less than another mile: so it's more than 1 but less than 2 miles: only options 3) and 4) are possible.
so the exact answer is 1.685 and an approximation is 1.7 (because from digit 5 up we round up: 1.64 would be rounded down to 1.6)- the correct answer is 4)!!!
how much is 3600 feet?
it's