Question

A boy band has released two albums. Their first album sold 5.9 \cdot 10^55.9⋅10 5 5, point, 9, dot, 10, start superscript, 5, end superscript copies. Their second album sold 1.3 \cdot 10^61.3⋅10 6 1, point, 3, dot, 10, start superscript, 6, end superscript copies. How many total copies has this boy band sold?

Answer 1

1.89⋅10^6

Explanation:

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Answer 2

Given that the boy band released two albums with the first album selling
`5.9*10^5` copies and the second album selling
`1.3*10^6` copies.

The total number of copies the boy band has sold is given by


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