Unit 1 Review

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000

• 0.00043756

• 43,756

• 4,3756

How would you write 0.0005 in scientific notation?

• $50\ \times10^{-5}$

• 5 x 10^-4

• 5 x 10³

• 0.5 x 10³

Scientific Notation is made up of two number parts. The first part should be a number between 1 and 10.

• True

• False

Which of the following is written correctly in scientific notation?

• 20.35 x 10⁴

• 0.2035 x 10⁴

• 2035⁴

• 2.035 x 10⁴

Convert to scientific notation: 520,000,000

• 52 x 10⁷

• 5.2 x 10^-7

• 5.2 x 10⁸

• 0.52 x 10⁹

If the exponent is a positive number the original number was...

• a really big number

• a really small number

If the exponent is a negative number the original number was...

• a really big number

• a really small number

Fill in the blank with the correct sign:

-3/4 ____________ -4/5

• >

• <

• =

List in order from LEAST to GREATEST

• $\frac{5}{4},\ 56\%,\ 1.07,\ \frac{4}{5}$

• $1.07,\ \frac{4}{5},\ \frac{5}{4},\ 56\%$

• $56\%,\ 1.07,\ \frac{4}{5},\ \frac{5}{4}$

• $56\%,\ \frac{4}{5},\ 1.07,\ \frac{5}{4}$

Put the numbers in order from least to greatest.

• $0,\ -4\ \frac{1}{2},\ -4.2,\ 4,\ -4$

• $-4\ \frac{1}{2},\ -4.2,\ -4,\ 0,\ 4$

• $-4\ \frac{1}{2},\ -4.2,\ -4,\ 4,\ 0$