Question

Express 0.7 bar in the form of p/q where p and q are integers and q does not deny to 0

Answer 1

Given:

0.7 bar

To find:

Express the term in the p/q form.

Solution:

0.7 bar means 0.77777777...

Let

x = 0.777......... ----(I)

10x = 7.77........ ----(II)

Subtract (II) from (I)

• 10x - x = 7.777.... + 0.777...
• 9x = 7
• x = 7/9

0.7 bar can be expressed as 7/9

Answer 2

Step-by-step explanation:

0.7 bar

x=0.777........-(1)

MULTIPLYING 10 BOTH SIDES

10x=7.77.....-(2)

Subtracting (1) from (2)

10x-x=9x. = 7.77-0.77=7.00

9x=7

x=7/9

ANSWER

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