Addition and Subtraction with Scientific Notation — Unit test Answers

What is the greatest possible error if Irina measured the length of her window as 3.35 feet?

For the weight of the box that she measured, Beatriz determined the margin of error as 23.5 pounds to 24.5 pounds. What was the greatest possible error for her actual measurement?

Luka and Anja each measured the height of their friend three times. Their friend is 59 inches tall. They recorded their measurements as shown.Luka:59 in., 58, in., 58 in.Anja:59.3 in., 59.6 in., 58.2 in.

Four students measure the length of a minute-long trial four times. They record their measurements as shown.Julian:57.3 seconds, 58.8 seconds, 59.5 seconds, 62.1 secondsMia:58 seconds, 59 seconds, 60 seconds, 61 secondsSonu:50 seconds, 60 seconds, 60 seconds, 70 secondsParul:57.23 seconds, 59.32 seconds, 62.34 seconds, 63.91 seconds

Marta measured the temperature as 65°F. What is the margin of error?

What is the greatest possible error if Bruce measured a buckle as 3.2 cm using the ruler?

According to the instruction manual, Sam's camera screen is 2.7 inches long. He measured its length using the two rulers shown. Which is true about the accuracy and precision of the rulers?

How many significant figures does 0.0560 have?

Alina measured a distance to be 2.18 miles. What is the margin of error?

Which values have exactly three significant figures? Select two options.0.0230 grams0.035 ounces0.804 inches3.150 liters140 feet