Question

Assignment based on the topic ""Rational Numbers""

1) Solve the sums by using different properties:

a) 9 X 10 X 11 (Associative property)

b) 7 + 6 + 4 (Associative property)

c) - 2/7 X 1 (Multiplicative property by 1)

d) 4/5 X (2/3 + 3/4) (Distributive property)

e) 4/5 X (2/3 - 3/4) (Distributive property)

f) 6/11 X 0 (Multiplicative property by 0)

g) - 7 + 11 (Commutative property)

h) - 8/9 X (4/5 + 1/2) (Distributive property)

i) - 3 + 11 + (-6) (Associative property)

j) - 7 X 90 (Commutative property)

2) Name the property under multiplication used in each of the following:

a) -19/37 X 37/-19 b)-12/17 X -3/7 = -3/7 X -12/17

c) -3/5 X 1 = 1 X -3/5 = -3/5

3) Multiply 6/13 by reciprocal of -7/16.

4) Find the multiplicative inverse of the following:

a)-13 b)1/5 c)-13/9 d)2/7

5) Write the add

Answer 1

Answer:

X 10 X 11 (Associative property)

b) 7 + 6 + 4 (Associative property)

c) - 2/7 X 1 (Multiplicative property by 1)

d) 4/5 X (2/3 + 3/4) (Distributive property)

e) 4/5 X (2/3 - 3/4) (Distributive property)

f) 6/11 X 0 (Multiplicative property by 0)

g) - 7 + 11 (Commutative property)

Step-by-step explanation:

X 10 X 11 (Associative property)

b) 7 + 6 + 4 (Associative property)

c) - 2/7 X 1 (Multiplicative property by 1)

d) 4/5 X (2/3 + 3/4) (Distributive property)

e) 4/5 X (2/3 - 3/4) (Distributive property)

f) 6/11 X 0 (Multiplicative property by 0)

g) - 7 + 11 (Commutative property)

Ok