Topic 1 Part 2 Test Review

Front

What is scientific notation?

Back

A way of expressing numbers as a product of a coefficient and a power of 10, e.g., 3.2 x 10^4.

Front

How do you subtract numbers in scientific notation?

Back

Align the powers of 10, subtract the coefficients, and keep the common power of 10.

Front

What is the result of (7.2 x 10^6) - (3.4 x 10^6)?

Back

3.8 x 10^6.

Front

What happens when you raise a power to another exponent?

Back

You multiply the exponents.

Front

What is the product of (2 x 10^9) and (4 x 10^-4)?

Back

8 x 10^5.

Front

How do you multiply powers with the same base?

Back

Add their exponents.

Front

True or False: In scientific notation, the coefficient must be between 1 and 10.

Back

True.

Front

How do you convert 0.000398 to scientific notation?

Back

3.98 x 10^-4.

Front

What is the rule for dividing numbers in scientific notation?

Back

Divide the coefficients and subtract the exponents.

Front

What is the result of (5 x 10^3) / (2 x 10^2)?

Back

2.5 x 10^1.