Question

How many total copies has this boy band sold

Answer 1

They sold 1,890,000 copies

I'm not sure but I hope it helps!

Explanation:

5.9*10^5=590,000

1.3*10^6=1,300,000

590,000+1,300,000=1,890,000

Answer 2

5.9\times 10^5+1.3\times 10^6=0.59\times 10^6+1.3\times 10^6 \\ \\ =(0.59+1.3)\times 10^6=1.89\times 10^6\ copies

Explanation: