SOL Review Part 1

Which of the following is true:

• -15 + 12 = 27

• -15 - 12 = 27

• -15 - 12 = -27

• 15 - 12 = 27

Which of the following are false: Hint there are 2 answers

•  $\frac{1}{10}\times\frac{1}{10}\times\frac{1}{10}=-10^3$  

•  $\frac{1}{10}\times\frac{1}{10}\times\frac{1}{10}=-\frac{1}{30}$  

•  $\frac{1}{10}\times\frac{1}{10}\times\frac{1}{10}=10^{-3}$  

•  $\frac{1}{10}\times\frac{1}{10}\times\frac{1}{10}=\frac{1}{1000}$  

How would you write 5.6 x 10^-3 in standard form?

• 56,000

• 5,600

• 0.00056

• 0.0056

When writing a number in scientific notation, the first number must be between 1 and 9.

• False

• True

Evaluate 13²

• 26

• 196

• 144

• 169

Which of the following is NOT a perfect square?

• 1
• 4
• 100
• 8

Which of the following is the greatest (biggest)?

• $5.5\ \times10^{-6}$

• $5.5\ \times10^2$

• $5.6\times10^{-2}$

• $9.9\times10^{-2}$

Which is the smallest?

• $\frac{1}{9}$

• $0.25$

• 33%

• $\frac{3}{4}$

Which equation represents the model?

• $-3\times-4=-12$

• $3\times-4=12$

• $3\times-4=-12$

• $-3\times4=12$

Solve

• 5

• -5

• 9

• -9