Which of the Following Numbers Is Correctly Expressed Using Scientific

question 27

Multiple Choice

Which of the following numbers is correctly expressed using scientific notation?

• A)3489
• B)5.248 × 10⁴
• C)45.78 × 10⁶
• D).0987 × 10³

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Definitions:

Ascending Limb

Part of the loop of Henle in the nephron of the kidney, which helps concentrate urine by allowing the reabsorption of water and salts.

Descending Limb

A portion of the loop of Henle in the nephron of the kidney, which is involved in the reabsorption of water back into the body.

Aldosterone

A hormone produced by the adrenal glands which regulates sodium and potassium levels in the blood, influencing blood pressure.

Sodium

A chemical element with symbol Na, a soft, silvery-white, highly reactive metal and an essential electrolyte in biological systems.