3. The cost of a trouser is 654. If a shopkeeper sells 18 trousers in a day, estimate how much
(120000, 160000, 180000) (d)
he earns from the sale of these trousers.
4. Estimate the following products by rounding off to the (i) nearest 10 (ii) nearest 100?
A) 229 x 92
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4. round of to the nearest tens
229 round of to 230
92 round of to 90
= 230 × 90
20700
Round of to hundreds
229 round of to 200
92 round of to 90
200×90
18000
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