3.  find:

          (i) 1.3 × 10      (ii) 36.8 × 10      (iii) 153.7 × 10      (iv) 168.07 × 10

          (v) 31.1 × 100  (vi) 156.1 × 100  (vii) 3.62 × 100     (viii) 43.07 × 100

          (ix) 0.5 × 10    (x) 0.08 × 10      (xi) 0.9 × 100       (xii) 0.03 × 1000
question
701