Cycle 3 Exam Review Pt. 2

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

What is the order of magnitude in scientific notation 6.5 x 10^7?

Back

7

Front

How do you add the numbers -2, 4, -9, -1, -6, -17, -8, 12, -9, 1, 6, 17, -8, 4, -9?

Back

The sum is -8, 4, -9 and 15, 6, 7.

Front

If the exponent in scientific notation is positive, which direction does the decimal point move?

Back

Right

Front

How is the number 0.00054 expressed in scientific notation?

Back

5.4 x 10^-5

Front

What determines the order of a matrix?

Back

Its horizontal rows and vertical columns.

Front

What is the purpose of scientific notation?

Back

To simplify the representation of very large or very small numbers.

Front

What does the exponent in scientific notation indicate?

Back

The number of places the decimal point is moved.

Front

Convert 0.00000789 to scientific notation.

Back

7.89 x 10^-6

Front

What is the scientific notation for 1500000?

Back

1.5 x 10^6