1 Find the three rational numbers equivalent to each of the following rational number:- i) -2/5
ii) 3/7​

Answer

−7

4

It can be written as

−7

4

=

−7×2

4×2

=

−14

8

−7

4

=

−7×3

4×3

=

−21

12

−7

4

=

−7×4

4×4

=

−28

16

Therefore ,

−14

8

,

−21

12

and

−28

16

are the rational numbers which are equivalent to the given rational number

−7

4

.

Step-by-step explanation:

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Step-by-step explanation:

the three rational numbers equivalent to each of the following rational number:-

i) -2/5=-4/10,-6/15 and -8/20.

ii) 3/7=6/14,9/21_and 13/28

the three rational numbers equivalent to each of the following rational number:-

i) -2/5=-4/10,-6/15 and -8/20.

ii) 3/7=6/14,9/21_and 13/28

Step-by-step explanation:

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step-by-step explanation:

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)