Learning Resources

Review

Assigned activities

Section 03 Working with Decimals and Percents (answers)

1.     (a) -0.3 x 0.15 = -0.045               (b)  -4.8 ¸ 0.8 = -6

2. (a) 3.467 to the nearest tenth = 3.5
    (b) 0.03457 to the nearest thousandth = 0.035
    (c) 57935 to the nearest ten = 57940

3. (a)  = 0.6875      and    = 0.916 

    (b) 1.45 =      and     0.275 =

    (c) 22% = 0.22  or 

4. (a) 45

    (b) 42

5. Use the equation 350 + 2% of x = 399 and this gives x = $2450