Question

1. Simplify the following expressions using BODMAS:
a) (-21)×[(+16)+(-13)]
b) (+103)×[(-3)-(-5)]
c) -7+2×(-3)+3-(-10)-48÷6
d) -17+[2-{(-8)+3- (9×6+1 -13×3)}]
e) 5+[14÷(-7) - {6× 5+1×4)}]
f) 100×(-10)+[400÷ {100-(50-5×10)}]

Answer 1

Answer:

a. (-21) ×[16-13]

= (-21) × ( 3)

= -63 ans

b. 103× (-3+5)

= 103× 2

= 206ans

Answer 2

Answer:

a. -63

b. 206

c. -8

d. 6

e. -31

f. -996