1.2.1 Directed Numbers, PT3 Practice 2


1.2.1 Directed Numbers, PT3 Practice 2
Question 6:
Calculate the value of
1 ( 2 + 7 × 0.15 ) ÷ 2 1 2  

Solution:
1 ( 2 + 7 × 0.15 ) ÷ 2 1 2 = 1 ( 2 + 1.05 ) × 2 5 = 1 ( 0.95 ) × 2 5 = 1 ( 0.38 ) = 1.38


Question 7:
Calculate the value of   1 1 8 × ( 4 5 2 3 )  and express the answer as a fraction in its lowest terms.

Solution:
1 1 8 × ( 4 5 2 3 ) = 1 1 8 × ( 12 15 10 15 ) = 9 3 8 4 × 2 1 15 5 = 3 20

Leave a Reply

Your email address will not be published. Required fields are marked *