A calculator answer of 423.6059 must be rounded off to three significant figures. What answer is reported?Group of answer choices423.6423.74244231.7420

Break Down the Problem

1. Identify the number given: 423.6059
2. Determine how to round this number to three significant figures.

Relevant Concepts

• Significant figures are the digits in a number that contribute to its precision.
• The first three significant figures in 423.6059 are 4, 2, and 3.

Analysis and Detail

1. Identify the first three significant figures: In 423.6059, the first three significant figures are 4, 2, and 3.
2. Look at the fourth figure to determine rounding: The fourth digit (6) will affect the rounding of the third significant figure (3). Since 6 is greater than 5, we round up.

Verify and Summarize

• The number 423.6059 rounded to three significant figures becomes 424.

Final Answer

The reported answer is 424.