Question

Multiply by moving the decimal point. a. 24.6 × 100 b. 37 × 1,000 c. 0.367 × 10,000 d. 0.005 × 100,000

Answer 1

when toy multiply by 10 you move the decimal 1 place right

100 is two places right

1000 is three places right

10000 is four places right

notice that the number of places right is equal to the number of zeros

so 24.6 times 100 is 2460

Answer 2

a. 24.6 × 100 move 2 places to the right 2460

b. 37 × 1,000 move 3 places to the right 37000

c. 0.367 × 10,000 move 4 places to the right 3670

d. 0.005 × 100,000 move 5 places to the right 00500 = 500