Science: Matter and Energy - Flashcard 3 (Sections 2.1-2.2)

Front

Which measurement recorded by Nora has two significant digits? Options: 0.01, 0.010, 10, 10.00

Back

0.010

Front

Why must Samuel's measurement of "2.5" include units?

Back

A measurement must have units to be meaningful.

Front

What should Sage do next to express the area of her house (138.684 m²) in proper significant digits?

Back

Round to the number of digits in the least significant value.

Front

Express the number 5793 in proper scientific notation.

Back

Front

Mia is measuring the total length of two pieces of ribbon. The first piece is 2.03 meters long and the second piece is 1.972 meters long. She adds them together and gets 4.002 meters. Which of the following answers is expressed using proper significant digits? Options: 4, 4.0, 4.00, 4.002

Back

4.00

Front

What is a specific measure to which other measures are compared to ensure uniformity?

Back

standard of measure

Front

What is the closeness of a measurement to the actual value?

Back

accuracy

Front

What unit prefix should Arjun use to represent "one thousand" meters?

Back

kilo-

Front

What system of measurement uses prefixes attached to base units to make new units?

Back

metric system

Front

What is a mathematical statement that shows two expressions are equal?

Back

equation