CBSE only class 7 1.3 exercise
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Answer: Hi , i m also in class 7.....
here is ur answers ,
a. 26 * [ -48 ] +[-48] * [-36]
= 28 [-48] + [ -36] * [-48]
= -48 [ 28 +(-36) ]
= -48 * (-10 )
= 480 ..
b. 8* 53 * ( -45)
= 53 * [ 8* ( - 125 ) ]
= 53 * ( - 1000)
= - 53000
c. 15 * ( -25) * ( -4) * ( -10)
= 15 * 100 * ( -10)
= 15 * ( - 1000)
= - 15000
d. ( -41 ) * 102
= ( -41 ) * ( 100 + 2 )
= 2 ( - 41 * 100)
= ( - 4100 ) * 2
= - 8200
Step-by-step explanation:
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