Fractions and Decimals

Discrete Mathematics

Differential Equations

Solved on Nov 30, 2023

Calculate the sum of 52,798, 62,874, and -27,467 and round the result to 2 significant figures.

STEP 1

Assumptions
1. We are asked to perform the operation $52,798+62,874-27,467$ and give the answer to 2 significant figures.
2. The operation should be performed from left to right, following the order of operations (addition and subtraction have the same precedence).

STEP 2

First, perform the addition operation.
$52,798 + 62,874$

STEP 3

Calculate the sum.
$52,798 + 62,874 = 115,672$

STEP 4

Now, subtract the third number from the sum.
$115,672 - 27,467$

STEP 5

Calculate the result.
$115,672 - 27,467 = 88,205$

STEP 6

Now, we need to round the result to 2 significant figures. To do this, we keep the first two non-zero digits and replace the rest with zeros.
$88,205 \rightarrow 88,000$
The result to 2 significant figures is 88,000.

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