12/14 Pre Algebra Scientific Notation REVIEW

Front

How is the number 450,000 written in scientific notation?

Back

4.5 x 10^5

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

How do you convert a number from standard form to scientific notation?

Back

Move the decimal point to create a number between 1 and 10, and count the number of places moved to determine the exponent of 10.

Front

What is the scientific notation for 0.000398?

Back

3.98 x 10^-4

Front

Which is greater: 9 x 10^9 or 8.1 x 10^10?

Back

8.1 x 10^10 is greater.

Front

What does the exponent in scientific notation represent?

Back

The exponent indicates how many times to multiply the base (10) by itself.

Front

Convert 0.00456 to scientific notation.

Back

4.56 x 10^-3

Front

What is the scientific notation for 1,200,000?

Back

1.2 x 10^6

Front

How do you compare two numbers in scientific notation?

Back

Compare the exponents first; if they are the same, compare the coefficients.

Front

What is the scientific notation for 0.00000567?

Back

5.67 x 10^-6