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Zepler [3.9K]
4 years ago
13

Which of the following expressions is not equal to 0.00055? 55 • 10-5 5.5 • 10-4 5.5 • 104 0.55 • 10-3

Mathematics
2 answers:
frozen [14]4 years ago
5 0

You can put each into standard form to see whether they have the right value.

5.5·10⁴ = 55,000 ≠ 0.00055

EleoNora [17]4 years ago
3 0

Answer:

(C)

Step-by-step explanation:

The given expression is :

0.00055

which on simplifying, we get

\frac{55}{100000}=55{\times}10^{-5}

The given expression can be easily rewritten as:

5.5{\times}10^{-4} and 0.55{\times}10^{-3}

but 5.5{\times}10^{4}=55000{\neq}0.00055

Thus, Option (C) is the expression which is not equal to the given expression.

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