Question

Round the following decimal numbers upto 1 places of decimal
(i) 123.37
(ii) 19.99
(iii) 910.546

Answer 1

Answer:

1) 123.4

2) 20.0

3) 910.6

Answer 2

There are some rules that you have to observe while rounding decimal number up to 1 places of decimal:

• We look at the digit at 100th place.
• If the digit at the 100th place is greater than 5, we round up.
• If the digit at the 100th place is smaller than 5, we round down

So, observing these rules the following decimal numbers can be round up to 1 places of decimal as:

Note: The digit at 100th place is highlighted.

(i) 123.37 --> 123.4

(ii) 19.99 --> 20

(iii) 910.546 --> 910.4

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