15-18, use the properties of the exponents to write an equivalent expression for each given expression. 15. (4⁴)³

16. 3¹²
3³

17. 4⁵ • 4²

18. 6⁴ • 2⁴

please help!

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Find the area of just the wood portion of the frame. this is called a composite figure. you will need to use your values from problem #2need all exepct 4 answerd if you can

Ineed ! what is the connection between ratios, fractions, and percents? give an example with your answer.