Question 17 -25 -6-4- is not same asa -25 - 10b -25 - 6-25 -4c -25 -6 -4d -250

( 25) × [6 + 4] = ( 25) × 10 Also, ( 25) × [6 +4] = 25 × 6 + ( 25) × 4 [using distributive property, i.e. a × (b + c) = a × b + a × c] = 150 100 = 2 ...

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Standard VIII

Mathematics

Multiplication of Negative Numbers

Question 17 -...

Question

Question 17

$(- 25) \times [6 + 4]$ is not same as

(a) $(- 25) \times 10$
(b) $(- 25) \times 6 + (- 25) \times (4)$
(c) $(- 25) \times (6) \times (4)$
(d) -250

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Solution

$(- 25) \times [6 + 4] = (- 25) \times 10 A l s o, (- 25) \times [6 + 4] = - 25 \times 6 + (- 25) \times 4$ [using distributive property, i.e. $a \times (b + c) = a \times b + a \times c$ ]
= - 150 -100 = -250
Hence, $(- 25) \times (6 + 4)$ is not same as $- 25 \times 6 \times 4$

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(i) 25, 14, 28, 17, 18, 14, 25, 14, 17, 14

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Question 25

Given, $4 \times 6 \frac{1}{3}$ is equal to ___.

Q. Question 2
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A) 10
B) 15
C) 18
D) 26

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Multiplication of Negative Numbers

Standard VIII Mathematics

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Question 17 (−25)×[6+4] is not same as (a) (−25)×10 (b) (−25)×6+(−25)×(4) (c) (−25)×(6)×(4) (d) -250

(−25)×[6+4]=(−25)×10Also, (−25)×[6+4]=−25×6+(−25)×4 [using distributive property, i.e. a×(b+c)=a×b+a×c] = - 150 -100 = -250 Hence, (−25)×(6+4) is not same as −25×6×4

Question 17

$(- 25) \times [6 + 4]$ is not same as

(a) $(- 25) \times 10$
(b) $(- 25) \times 6 + (- 25) \times (4)$
(c) $(- 25) \times (6) \times (4)$
(d) -250

$(- 25) \times [6 + 4] = (- 25) \times 10 A l s o, (- 25) \times [6 + 4] = - 25 \times 6 + (- 25) \times 4$ [using distributive property, i.e. $a \times (b + c) = a \times b + a \times c$ ]
= - 150 -100 = -250
Hence, $(- 25) \times (6 + 4)$ is not same as $- 25 \times 6 \times 4$