7×100 +1×10 +8= ?
781
780
718
817
7×100 +1×10+8 =700+10+8 =718
Question 4
The expanded form of the number 9578 is (A) 9 × 10000 + 5 × 1000 + 7 × 10 + 8 × 1 (B) 9 × 1000 + 5 × 100 + 7 × 10 + 8 × 1 (C) 9 × 1000 + 57 × 10 + 8 × 1 (D) 9 × 100 + 5 × 100 + 7 × 10 + 8 × 1
Write the following in the normal form:
(i) (5 × 10) + (6 × 1); (ii) (7 × 100) + (5 × 10) + (8 × 1); (iii) (6 × 1000) + (5 × 10) + (8 × 1); (iv) (7 × 1000) + (6 × 1); (v) (1 × 1000) + (1 × 10) .