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Answer (3)
3 2 5 − − 6 min x min cross m u lt i pl y 3 2 x = 5 ⋅ 6 3 2 x = 30 / ⋅ 2 3 x = 15 ⋅ 3 x = 45 ( min ) ← an s w er
Kaeden takes 9 minutes to type one full page. Therefore, for a 5-page report, it will take him 45 minutes in total. To arrive at this conclusion, we calculated his typing rate based on the time spent typing two-thirds of a page.
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Penyelesaian[tex]\left(\frac{1}{27}\right)^4 \div \left(\frac{1}{9}\right)^2[/tex][tex]\left(\frac{1}{27}\right)^4 = \frac{1}{27^4}[/tex][tex]27 = 3^3[/tex][tex]27^4 = (3^3)^4 = 3^{12}[/tex][tex]\left(\frac{1}{27}\right)^4 = \frac{1}{3^{12}}[/tex][tex]\left(\frac{1}{9}\right)^2 = \frac{1}{9^2}[/tex][tex]9 = 3^2[/tex][tex]9^2 = (3^2)^2 = 3^4[/tex][tex]\left(\frac{1}{9}\right)^2 = \frac{1}{3^4}[/tex][tex]\frac{1}{3^{12}} \div \frac{1}{3^4} = \frac{1}{3^{12}} \times \frac{3^4}{1}[/tex][tex]= \frac{3^4}{3^{12}}[/tex][tex]= \frac{1}{3^{12-4}} = \frac{1}{3^8}[/tex][tex]3^8 = 6.561[/tex][tex]\frac{1}{3^8} = \frac{1}{6.561}[/tex]
