Ch 12 HW #3 - Comparing S.N.

Front

What is scientific notation?

Back

A way of expressing numbers that are too large or too small to be conveniently written in decimal form, using powers of ten.

Front

What is the range for the first number in scientific notation?

Back

The first number must be greater than 1 and less than 10.

Front

How do you compare numbers in scientific notation?

Back

Compare the exponents first; the number with the larger exponent is greater. If exponents are equal, compare the coefficients.

Front

What is the scientific notation for 5000?

Back

5.0 x 10^3.

Front

Which is greater: 5.406 x 10^8 or 5.504 x 10^7?

Back

5.406 x 10^8 is greater.

Front

How do you convert 0.00034 to scientific notation?

Back

3.4 x 10^-4.

Front

What is the least number among 7 x 10^8, 7.1 x 10^8, 7 x 10^9, and 7.1 x 10^9?

Back

7 x 10^8.

Front

List the following elements in order from least to greatest mass per atom: hydrogen, carbon, oxygen, silver, gold.

Back

hydrogen, carbon, oxygen, silver, gold.

Front

Which is larger: 3.4 x 10^-4 or 3.4 x 10^-2?

Back

3.4 x 10^-2 is larger.

Front

What does the exponent in scientific notation indicate?

Back

The exponent indicates how many places to move the decimal point.