Solve the Problem. -Estimate the Answer by Rounding Each Number to the Nearest

question 36

Multiple Choice

Solve the problem.
-Estimate the answer by rounding each number to the nearest ten.
54 - 35

• A) 10
• B) 20
• C) 19
• D) 90

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Definitions:

Diaphragm

A muscular partition separating the thorax from the abdomen, playing a major role in breathing.

Pancreas

An organ with vital roles in both the endocrine and digestive systems, secreting insulin and digestive enzymes.

Spleen

An organ located under the ribcage and above the stomach that filters blood, stores red blood cells and platelets, and produces white blood cells.