Exam 1: Arithmetic, Calculators, and Problem Solving

Simplify the numerical expression. Remember that fractions are not considered simplified unless they are reduced. $\frac { 1 } { 2 } - \frac { 1 } { 10 }$

A family has an annual income of $30,960. How much is their monthly income? $ __________ per month

Use the order of operations to evaluate the expression. $8 + 15 \cdot 4 \div 5$

The distance from earth to a certain star outside our solar system is 26,500,000,000,000 miles. Write this number in scientific notation.

Write $6.2 \times 10 ^ { - 3 }$ without using exponents.

Write the number $7.9 \times 10 ^ { 5 }$ without using exponents.

Simplify the numerical expression. Give your answer in reduced form. $\frac { 4 } { 7 } \times 6$

Simplify the numerical expression. Give your answer in reduced form. $\frac { 5 } { 8 } \div \frac { 3 } { 8 }$

Give the place value for each digit in the following number: $145$

Change 159 days to weeks and days. weeks and days

Use the order of operations to evaluate the expression. $7 + 15 \cdot 10 \div 5$

One carton of milk contains $\frac { 1 } { 2 }$ pint while another contains $3$ pints. How much milk is contained in both cartons?

Simplify the numerical expression. Give your answer in reduced form. $\frac { 8 } { 11 } \times 4$

Change 83 days to weeks and days.

Write the following number in expanded form: 2,005.09

Write the following expression without using exponents. $7 ^ { 3 }$

Simplify the numerical expression. Give your answer in reduced form. $1 \div 5 \frac { 1 } { 3 }$

Write the following number in decimal notation. $10 ^ { - 3 }$

Simplify the numerical expression. Remember that fractions are not considered simplified unless they are reduced. $\frac { 5 } { 16 } + \frac { 4 } { 12 }$

Change this improper fraction to a mixed number. $\frac { 1,357 } { 100 }$