Step-by-step explanation:
The scientific notation:

<em>1 ≤ a < 10</em> and <em>k -</em><em> any integer number</em>
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Answer:
i am really not sure because i worked it out but i needed to see how they said it .
Step-by-step explanation:
Answer: 15
Step-by-step explanation:
3x5=15
Answer:
HOW ON THE WORLD WE SUPPOSED TO ANSWER DIS ?!?!?!
Step-by-step explanation: