Question

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Answer 1

Answer:

your answer

Step-by-step explanation:

}7 Answer:

The product of two rational numbers is always positive. → -4 and -5 are two negative rational numbers

}5 Answer:

The distributive property of multiplication over subtraction is like the distributive property of multiplication over addition. You can subtract the numbers and then multiply, or you can multiply and then subtract as shown below. This is called “distributing the multiplier.

}1 Answer:

Inverse additive property: The inverse operation of the addition of two same numbers will result in a zero. When we add a number to its opposite, the result is always 0.

Answer 2

Answer:

(1) -11/15

(2 ) -12/77 = -77/12

(3) 1 /4 and 1/2 = 8 l.c.m 1/4 × 2/2 and 1/2 × 4/4

2/8 and 4/8 = 3/8 then 2/8 and 4/8 × 10/10 = 20/80 and 40/80 = 21/80 , 22/80 , 23/80 , 24/80

(7) positive