KSEEB Solutions for Class 9 Maths Chapter 1 Number Systems Ex 1.3

KSEEB Solutions for Class 9 Maths Chapter 1 Number Systems Ex 1.3

Karnataka Board Class 9 Maths Chapter 1 Number Systems Ex 1.3

Question 1.
Write the following in decimal form and say what kind of decimal expansion each has :

Answer:
(i)

Terminating decimal expansion.
(ii)

Non-terminating decimal expansion.
Undefined control sequence \therefore
(iii)

∴ Terminating decimal expansion.
(iv)

0.23069¯¯¯¯¯¯¯¯¯¯¯¯ the bar above the digits indicates the block of digits that repeats.
∴ This is Non-terminating, repeating decimal.
(v)

Here, 0.18¯¯¯¯¯ is block of digits that repeats.
∴ This is non-terminating, repeating decimal.
(vi)

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