Rounding and Significant Figures Quiz

When rounding the number 3.2 to the nearest whole number, what is the result?

• 5

• 4

• 3

• 2

Which of the following numbers has four significant figures?

• 4500

• 0.0045

• 0.4500

• 450

If you round 341 to two significant figures, what is the correct result?

• 3.4

• 341

• 340

• 34

When adding 12.345, 0.6, and 7, to how many decimal places should the result be rounded?

• 0

• 3

• 2

• 1

In multiplication, if one number has 3 significant figures and another has 4, to how many significant figures should the result be rounded?

• 3

• 5

• 2

• 4

What is the correct order of operations according to PEMDAS?

• Exponents, Parentheses, Multiplication, Division, Addition, Subtraction

• Parentheses, Addition, Multiplication, Division, Subtraction, Exponents

• Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

• Multiplication, Division, Addition, Subtraction, Parentheses, Exponents

When dividing two numbers, how do you determine the number of significant figures in the result?

• Use the number with the least significant figures

• Use the number with the most significant figures

• Add the significant figures

• Average the significant figures

If you have both multiplication and division in a problem, how should you proceed?

• Perform operations from left to right

• Perform operations from right to left

• Divide first, then multiply

• Multiply first, then divide

In a calculation involving both addition and subtraction, how do you determine the number of decimal places in the result?

• Average the decimal places

• Add the decimal places

• Use the number with the least decimal places

• Use the number with the most decimal places

What is the result of the operation: (16 + 2) ÷ 3 + 3?

• 9

• 8

• 10

• 7