Scientific Notation Flashcard #1

Front

What is scientific notation?

Back

A way to express very large or very small numbers using powers of ten. For example, 3000 can be written as 3 x 10^3.

Front

How do you convert a number to scientific notation?

Back

Move the decimal point in the number until only one non-zero digit remains to the left. Count the number of places moved; this becomes the exponent of 10.

Front

What is the standard form of -5.6 x 10^-3?

Back

-0.0056

Front

Convert 520,000,000 to scientific notation.

Back

5.2 x 10^8

Front

What does a positive exponent in scientific notation indicate?

Back

The original number was a really big number.

Front

How do you write 0.068 in scientific notation?

Back

6.8 x 10^-2

Front

What is the standard form of 4.09 x 10^4?

Back

40,900

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 0.00045?

Back

4.5 x 10^-4

Front

Convert 1.25 x 10^5 to standard form.

Back

125,000