A boy band has released two albums. Their first album sold 5.9×10^5 copies. Their second album sold 1.3×10^6 copies. How many to
tal copies has this boy band sold?
2 answers:
Answer:
The boy band sold 1.89 ×10^6 copies
Step-by-step explanation:
To get the number of copies we must add 5.9×10^5 copies with 1.3×10^6 copies. We can´t add them like that.
To make the addition we have to adjust the power of 10, so they have the same index
In this case we can change 5.9×10^5 to 0.59×10^6 ( we move the comma to the left , and we add 1 power to the scientific quotation.
So, 0.59×10^6
<u />
<u>+ 1.3×10^6 </u>
1.89 ×10^6
The band has sold 1,890,000 copies or 1.89 x 10^6
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