Q9)Using suitable properties, find the value of:
(a) -58 x 104 (b) (-279) x 1001 (c) 36 x (-99)
(d) (-73) x 8 + 73 x (-92) (e) 517 x (-36) + 517 x ( -64)
(b) (-512) = 32
(c) 2352-(-42)
Answers
Answered by
5
Answer:
Step-by-step explanation:
(a) -58*104
= -58*(100 + 4)
= -58*100 + -58 * 4
= - 5800 + 232
= 5568
(b) =-73[8 + (-92)]
= -73 [ 84]
= -73 * 84
= -6132
(c) 36 * (-99)
= 36 * (-100 - 1)
= 36 * 100 - 36 * 1
= -3600 - 36
= -3 636
(c) = 2352 -(-42)
= 2352 + 42
= 2394
Answered by
6
Answer:
Step-by-step explanation:
(a) -58*104
= -58*(100 + 4)
= -58*100 + -58 * 4
= - 5800 + 232
= 5568
(b) =-73[8 + (-92)]
= -73 [ 84]
= -73 * 84
= -6132
(c) 36 * (-99)
= 36 * (-100 - 1)
= 36 * 100 - 36 * 1
= -3600 - 36
= -3 636
(c) = 2352 -(-42)
= 2352 + 42
= 2394
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