Scientific Notation and Standard Form

Front

What is scientific notation?

Back

A way to express very large or very small numbers using powers of ten, in the form a x 10^n, where 1 ≤ a < 10 and n is an integer.

Front

What does the exponent in scientific notation indicate?

Back

The exponent indicates how many places to move the decimal point. A positive exponent means the number is large, while a negative exponent means the number is small.

Front

Convert 5.6 x 10^3 to standard form.

Back

5,600

Front

Convert 2.3 x 10^-4 to standard form.

Back

0.00023

Front

Which is larger: 3.5 x 10^5 or 4.2 x 10^4?

Back

3.5 x 10^5 is larger.

Front

What is the standard form of 9.1 x 10^2?

Back

910

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 the same, compare the coefficients.

Front

What is the smallest number among 1.2 x 10^6, 3.4 x 10^5, and 5.6 x 10^7?

Back

3.4 x 10^5 is the smallest.

Front

Write 0.00045 in scientific notation.

Back

4.5 x 10^-4

Front

What is the value of 10^0?

Back

1