Question

using suitable properties, find the value of :

a) -58 × 104

b) [-279] × 1001

c) 36 × [-99]

d) [-73] × 8 + 73 × [-92]

e) 517 × [-36] + 517 × [-64]

Answer 1

Answer:

-58x(100+4)

(-58x100)+(-58x4)

-5800+(-82)

=-5882

Answer 2

1. -58 × 104 = -6032

2. -279 × 1001 = -279279

3. 36 × -99 = -3564

4. -73 × 8 + 73 × -92 = -584 + (-6716 )= -6132

5. 517× -36 + 517 × -64 = -18612 + (-33088) = -14476