Unit 2 Summative Retake

Front

Express 0.000456 in scientific notation.

Back

4.56 x 10^-4

Front

Identify the next perfect square in the sequence: 36, 49, 64, __

Back

81

Front

Which of the following is correctly written in scientific notation? 7.123000, 7.12 x 10^5, 71.23 x 10, 7.12^5

Back

7.12 x 10^5

Front

Which of the following numbers is the LARGEST? 5.6 x 10^-2, 7 x 10^-5, 2.1 x 10^-1, 1 x 10^-3

Back

2.1 x 10^-1

Front

Which of the following numbers is NOT a perfect square? 144, 225, 289, 200

Back

200

Front

What is scientific notation?

Back

A way of expressing numbers that are too big or too small to be conveniently written in decimal form, using powers of ten.

Front

What is a perfect square?

Back

A number that can be expressed as the product of an integer with itself.

Front

How do you convert a decimal to scientific notation?

Back

Move the decimal point to the right or left until you have a number between 1 and 10, then count the number of places moved and use that as the exponent of 10.

Front

What is the square of 9?

Back

81

Front

What is the square root of 144?

Back

12