Summary {Standard form, Sig. Figure, Inequalities, Interest}

What is the correct law for multiplication? a^m x aⁿ =

• a^m+n

• a^m + aⁿ

• a^mxn

• a^mn

Simplify: 3⁵ x 3⁷

• 3⁵⁺⁷

• 3²

• 3³⁵

• 3^-2

Simplify: 3x² × (2x)³ × x⁶

• 24x¹¹

• 24x⁹

• 6x¹¹

• 6x⁹

Simplify: (3x)² × (2x³y)² ÷ 6y³

• 6x⁸y^-1

• 6x⁸y

• 3x⁷y

• 3x⁷y^-1

Semi-Annually means how many times a year?

• 1

• 2

• 4

• 6

Heather invested $8,000 in a 4-year Certificate of Deposit (CD) that pays 4.1% interest compounded annually. What is the value of the CD at the end of the 4 years?

• $9,394.92

• $1394.00

• $9,312.00

• $1312.00

Approximately what interest rate would be needed in order to grow Christian's investment of $1400 to $2500 in 10 years if the interest was compound monthly?

• 5.96%

• 5.81%

• 5.84%

• 5.88%

You want to save $5,000 for future family vacation. If you assume you can get an interest rate of 4.3% compounded monthly, then how much will you need to invest NOW to reach your vacation goal in 3 years?

• $307,042

• $5,000

• $3,250

• $4,395.89

Which of the following would have a closed circle when graphed on a numberline?

• Greater Than

• At Least

• Not Equal To

• More Than

The Navy’s flying squad, the Blue Angels, makes more than 75 appearances each year. Represent this as an inequality.

• n < 75

• n ≤ 75

• n > 75

• n ≥ 75