Respuesta :
Answer:
- 644.972
may need to round depending on the question
Step-by-step explanation:
6 × 100 + 4 × 10 + 4 × 1 + 9 × (1/10) + 7 × (1/100) + 2 × (1/1000) =_______
(6x100)+(4x10)+(4x1)+(9x1/10)+(7x1/100)+(2x1/1,000)
600+40+4+0.9+0.07+0.002
640+4.9+0.072
644.9+0.072
645.972
hope it helps???