TEST OUT Scientific Notation

Front

What is scientific notation?

Back

A way to express very large or very small numbers using powers of ten. It is written in the form a x 10^n, where 1 ≤ a < 10 and n is an integer.

Front

How do you convert a number to scientific notation?

Back

Move the decimal point in the number until only one non-zero digit remains to the left. Count the number of places moved; this becomes the exponent of 10.

Front

Convert 2500000 to scientific notation.

Back

2.5 x 10^6

Front

Convert 0.000397 to scientific notation.

Back

3.97 x 10^-4

Front

What is the standard form of 1.001 x 10^3?

Back

1001

Front

Which of the following is NOT in correct scientific notation: 64.2 x 10^2, 6.42 x 10^3, 0.642 x 10^4, 6240 x 10^0?

Back

64.2 x 10^2 (the coefficient must be between 1 and 10).

Front

What is the rule for writing exponents in scientific notation?

Back

All exponents must have a base of 10.

Front

Convert 3.97 x 10^-2 to standard form.

Back

0.0397

Front

What is the scientific notation for 1001?

Back

1.001 x 10^3

Front

How do you express 0.0397 in scientific notation?

Back

3.97 x 10^-2