Question

EXAMPLE 1.11
Round off the following numbers as
indicated
i) 18.35 up to 3 digits
ii) 19.45 up to 3 digits
iii) 101.55 x 10 up to 4 digits
iv) 248337 up to digits 3 digits
v) 12.653 up to 3 digits.
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Answer 1

Answers after rounding off the numbers are:

i) 18.4

ii) 19.4

iii) 101.6 × $10^{6}$

iv) 248000

v) 12.7

• Rounding Numbers is the process of altering the digits of a number such that it delivers an approximate value.
• This value is a more straightforward representation of the provided integer.
• The rounding of numbers is done solely for those numbers when the exact value is not critical.
• Numbers can be rounded to different numbers, such as the nearest ten, hundred, thousand, and so on.

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Answer 2

Answer:

i) 18.4

ii) 19.5

iii)101.6×10

iv) 248337

v)12.7

Explanation:

i) The second value after the point is greater than or equal to 5 it can be rounded up .

ii)same as one

iii)same as one

iv)The numbers without point cannot be rounded .

v)same as one

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