Question

the standard form of which of the following rational number is correct? a) -8/36=-4/9 b) [63/-210=3/-10] c) [165/-275=-3/5] d) [108/-96*-8/9]​

Answer 1

Answer:

Step-by-step explanation:

a) it is incorrect

cause -8/36=-4/18=-2/9

b) it is correct

c) it is also crect

d) it is incorrect

108/-96=-54/48=-26/24

=>-13/12..

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Answer 2

The given question is a) -8/36=-4/9

b) [63/-210=3/-10]

c) [165/-275=-3/5]

d) [108/-96*-8/9]

The above given numbers are rational numbers.

we have to find the standard form of which rational number is correct.

b)

$\frac{6 3}{ - 210} = \frac{3}{ - 10}$

$21 \times 3 = 63 \\ 21 \times 10 = 210$

a)

$\frac{ - 8}{36} = \frac{ - 4}{9} \\ 8 \div 2 = 4...36 \div 4 = 9$

The above form in not correct

c)

$\frac{165}{ - 275} = - \frac{3}{5}$

The above expression is true

$55 \times 3 = 165 \\ 55 \times 5 = 275$

d)

$\frac{108}{ - 96} = \frac{ - 8}{9}$

This in incorrect

Among the above options a and d is not true

which means they are not in the standard form

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