# Curious Math Fact: 10! Seconds = 6 Weeks

This video verifies that 10 factorial seconds equals 6 weeks of time.

# Multiply A Decimal by 10 and 100: Wage Application

The video explains the shortcut of moving the decimal point when multiplying by a power of 10.

# Multiply Decimals by 10, 100, and 1000

The video explains the shortcut of moving the decimal point when multiplying by a power of 10.

# Ex: Evaluate Logarithmic Expressions without a Calculator – Common Log

This video explains how to write a logarithmic equation as an exponential equation to determine the value of a logarithmic expression.

# Decimal Notation: Saying Decimals and Writing Decimals as Fractions

This video explains how to say numbers written in decimal notation using place value.  Decimals are also writing in fraction form.

# Ex: Solve a Logarithmic Equation – Find the Base

This video explains how to solve a logarithmic equation for the base.  No calculator is needed.

# Ex: Find the Quotient of Two Number Given in Base 16

This video explains how to find a quotient of two numbers given in base 16.  The quotient is given in base 10.