Scientific Measurement Chemistry Chap 3 Quest

Front

What is scientific notation?

Back

A method of expressing numbers as a product of a coefficient and a power of 10, making it easier to handle very large or very small numbers.

Front

Convert 6.79 x 10^4 to standard form.

Back

67,900

Front

How many significant figures are in the number 4.56 x 10^3?

Back

3

Front

Convert 0.000398 to scientific notation.

Back

3.98 x 10^-4

Front

How many significant figures are in the number 0.000008?

Back

1

Front

What does a bullseye demonstrating low accuracy and high precision indicate?

Back

The measurements are clustered closely together but far from the target value.

Front

Define significant figures.

Back

Digits in a number that contribute to its precision, including all non-zero digits, zeros between significant digits, and trailing zeros in the decimal portion.

Front

What is the purpose of using scientific notation in chemistry?

Back

To simplify calculations and comparisons of very large or very small quantities.

Front

Convert 0.00456 to scientific notation.

Back

4.56 x 10^-3

Front

How do you determine the number of significant figures in a measurement?

Back

Count all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion.