Step-by-step explanation:
80 x 50 = 4000
and 4000 x 70 = 2,80,000
Answer:
280000
First you take the zeros off the end of each number.
80 = 8
50 = 5
70 = 7
Then you times the three numbers together.
8 × 5 = 40
40 × 7 = 280
Now you add back the three zeros, and you get the answer!