What is 18,000 expressed in scientific notation? 1.8 × 10–4 1.8 × 104 1.8 × 10–5 1.8 × 105

The answer to this question would be 1.8 * 10^4. This is because every time you multiply by a 10^x (assuming x > 0), your decimal point moves right. When it goes past the 8, you add 0s. Therefore your answer would be 18,000. Or another way of doing it is 10^4 = 10000. 10000* 1.8 = 18000.

Since this was kind of long, to sum it all up, The answer would be: 1.8 * 10 ^4.

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The diaphragm is what i think ur talking about