Multiplying and dividing Scientific Notation

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

How do you multiply numbers in scientific notation?

Back

Multiply the coefficients (the numbers in front) and add the exponents.

Front

How do you divide numbers in scientific notation?

Back

Divide the coefficients and subtract the exponents.

Front

What is the simplified version of (3.9 x 10^6)(1 x 10^2)?

Back

3.9 x 10^8.

Front

What is the simplified version of (5 x 10^6)(5 x 10^7)?

Back

2.5 x 10^14.

Front

What happens to the exponent when you multiply two numbers in scientific notation?

Back

You add the exponents.

Front

What happens to the exponent when you divide two numbers in scientific notation?

Back

You subtract the exponents.

Front

Which of these is NOT in scientific notation: 1.2 x 10^3, 5.3 x 10^9, 2.0 x 10^0, 10 x 10^2?

Back

10 x 10^2.

Front

If the exponent is a negative number, what does that indicate about the original number?

Back

It indicates that the original number was a really small number.

Front

What is the coefficient in the scientific notation 4.5 x 10^3?

Back

The coefficient is 4.5.