Significant Figures & Upper and Lower bound

What are significant figures in a number?

• Significant figures are only used in scientific notation.

• Significant figures in a number are the digits that carry meaning contributing to its precision.

• Significant figures are the numbers after the decimal point.

• Significant figures are always odd numbers.

How do you determine the number of significant figures in 0.00560?

• 3

• 5

• 2

• 4

A whole number has been rounded to the nearest 10, and the value after rounding is 70

What is the range of integer values the number could be

• 65,66,....74

• 64,65,....75

• 65,66....75

• 69.5,69.6...70.4

If a measurement is 25.0 cm, how many significant figures does it have?

• 1

• 4

• 3

• 5

A number with one decimal place is rounded to the nearest whole number. Answer is 12

what is the lower bound?

• 12.0

• 11.4

• 11.9

• 11.5

Explain the concept of significant figures in scientific notation.

• Significant figures in scientific notation are determined by the day of the week

• Significant figures in scientific notation are always rounded up

• Significant figures in scientific notation only include odd numbers

• Significant figures in scientific notation include all non-zero digits and zeros between significant digits or to the right of the decimal point.

Round 0.00784 to 2 significant figures.

• 0.00785

• 0.0078

• 0.008

• 0.007

A number with one decimal place is rounded to the nearest whole number.

The answer is 12.

What is the upper bound?

• 12.5

• 12.4

• 12.04

• 12.05

Why is it important to consider significant figures in calculations?

• To ensure the precision and accuracy of the final result.

• To waste time

• To confuse the audience

• To show off mathematical skills

If a value is given as 5000, how many significant figures does it have?

• 4

• 5

• 1

• 3