Exam 1: Review of Real Numbers

Find the missing number, if possible. There may be more than one number that works, so find as many as possible. If no number works, write "No number possible." - $-19+(-7)$

Simplify . - $8^{2}+4^{2}$

Find the missing number, if possible. There may be more than one number that works, so find as many as possible. If no number works, write "No number possible." - $-2+8$

You withdraw $\$ 63$ a week from a savings account for 6 weeks. What is the overall change in the account?

Simplify . - $10^{2}+9 \cdot 8-(8+5 \cdot 2)$

Simplify the given expression - $7 \cdot 4-15 \div 5$

Find the absolute value. -|- 18|

$\frac{4}{5} \div \frac{1}{5} \cdot\left(\frac{3}{8}-\frac{1}{2}\right)$

Find the missing number - $5^ ?=125$

Simplify . - $\left(\frac{5}{8}+\frac{1}{2}\right) \cdot \frac{8}{13}$

Write the appropriate symbol, between the following integers --124___ 17

Divide, if possible. - $44 \div(-22)$

Find the missing number - $\left(\frac{5}{4}\right)^{?}=\frac{25}{16}$

In 13 weeks, the value of Bob Treatman's day trading account decreased by $\$ 650$ . What was the average weekly change in the value of the account?

Multiply - $-1 \cdot 15$

During one year 28 new employees began work at Daniel's Manufacturing Company and 19 employees left. At the beginning of the year there were 219 employees. What was the number of employees at the end of the year?

Multiply - $-7(-3)(- 10) \cdot7$

Multiply - $-10(-3)$

Simplify. -11 - $19-12$

Simplify the given expression - $16+23 \cdot 25$