Question

a. Multiply 1003 X 13 splitting the first term using distributive property.
b. Which of the following statements are true:
i. Whole numbers are closed under addition.
ii. If a and b are two whole numbers, then a + b = b + a

Answer 1

Answer:

a)- 1003 X 13=

1003 X 13==(1000+3) X 13

1003 X 13==(1000+3) X 13= (1000 X 13) + (13 X 3)

1003 X 13==(1000+3) X 13= (1000 X 13) + (13 X 3) = 13000 + 39

1003 X 13==(1000+3) X 13= (1000 X 13) + (13 X 3) = 13000 + 39= 13039

b)- option number (ii) is correct.