Question

____ are used to illustrate scientific data.

○ unknown variables

○ graphs

○ scientific notations

○ exponents

Explanation:

• "Unknown variables" are used to represent unknown quantities in equations, not to illustrate data.
• "Graphs" (like bar graphs, line graphs, etc.) are commonly used to visually represent and illustrate scientific data, making trends and relationships clear.
• "Scientific notations" are used to express very large or very small numbers in a concise way, not for illustration of data.
• "Exponents" are a mathematical notation for repeated multiplication, not for illustrating data.

Answer:

B. Graphs