Which way is the closest estimate of this product 518 * 5

The answer to 518*5 is 2590 or rounded, 3000, or 2600.

You can get your answer my multiplying 518 by 5 and rounding it to the nearest thousands place, hundreds place or tens place.

Hope this helped!

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for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for