circle the two cards whose estimated sum is 30,000.
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Step-by-step explanation:
The procedure of estimating sum and difference are in the following examples.
Example 1:
Estimate the sum 5290 + 17986 by estimating the numbers to their nearest (i) hundreds (ii) thousands.
Solution:
.
(i) Estimating the numbers 5290 and 17986 to their nearest hundreds, we get 5300 and 18000 respectively.
= 23300.
Therefore, estimated sum is 23300.
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Step-by-step explanation:
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