Question

10. Fill in the blanks and name the property used
i) (-14) _= (-16) X (-14) ii) (-4) X[7 + (-11)] = (-4) X7+(-4)

11. Find the products using suitable property.
i) 30 x (-14) + 30 x (-16) il) 39 x(-65) + (-65) (-49)​

Answer 1

Answer:

) il) 39 x(-65) + (-65) (-49). answer Ho Ga ji bhai

Answer 2

Answer:

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Step-by-step explanation:

Q10

i) (-14) ×(-16) = (-16) × (-14) ⇒ (commutative property)

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ii) (-4) × [7 + (-11)] = (-4) × 7 +(-4) × (-11) ⇒ (distributive property)

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Q11

i) 30 x (-14) + 30 x (-16)

Taking 30 as conmon

30 [(-14) + (-16)]

⇒30[-14-16]

⇒30[-30]

⇒ 30 × -30

⇒ -900

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ii) 39 x(-65) + (-65) (-49)

Taking -65 as common

-65[39+(-49)]

⇒-65[39-49]

⇒-65[-10]

⇒-65 × -10

⇒ 650