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Which number is irrational? A. square root of 5 B. 0.3 C. 0.454545... D. 0.777... is it C?
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Which number is irrational?

A. square root of 5
B. 0.3
C. 0.454545...
D. 0.777...
is it C?

User Mordy
by
8.5k points

1 Answer

3 votes
The answer is A.

The square root of 5 is a nonrepeating and nonterminating decimal which makes it irrational. B is a terminating decimal so it is rational. C and D are rational because the decimals repeat.

ps. 0.454545... is equivalent to 45/99
User Grzegorz Herman
by
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