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Bogdan [553]
3 years ago
5

Express in scientific notation. Choose the answer with the proper number of significant figures.

Chemistry
1 answer:
bazaltina [42]3 years ago
3 0

Answer:

4.5 times 10 = 45

Explanation:

"Non-zero digits are always significant. Any zeros between two significant digits are significant. A final zero or trailing zeros in the decimal portion ONLY are significant."

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