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Evaluate 4a for a = 5 . Express your answer in simplest form.
20
22
45
20

Evaluate 4a For A 5 Express Your Answer In Simplest Form 20 22 45 20 class=

Sagot :

[tex]\\ \sf\longmapsto 4(5\dfrac{2}{3})[/tex]

[tex]\\ \sf\longmapsto 4\times \dfrac{17}{3}[/tex]

[tex]\\ \sf\longmapsto \dfrac{68}{3}[/tex]

[tex]\\ \sf\longmapsto 22\dfrac{2}{3}[/tex]

kamilmatematik100504

Answer: [tex]\large \boldsymbol {\sf 22\dfrac{2}{3} }[/tex]

Step-by-step explanation:

[tex]\displaystyle \large \boldsymbol {} \sf Find \ \ 4 a \ \ ; \ \ if \ a=5\frac{2}{3} \\\\1-st \ method \\\\ 5\frac{2}{3} =5+\frac{2}{3} \ \ then \\\\ 4\cdot \bigg(5+\frac{2}{3} \bigg)=4\cdot 5+ \frac{4\cdot 2}{3} =20+\frac{8}{3} =20+2\frac{2}{3} =\boldsymbol {\sf 22 \frac{2}{3} } \\\\\\ 2-nd \ \ method \\\\ 5\frac{2}{3} =\frac{5\cdot 3+2}{3} =\frac{17}{3} \\\\\\ 4\cdot \bigg( \frac{17}{3} \bigg) =\frac{4\cdot 17}{3} =\frac{68}{3} =\boldsymbol {\sf 22 \frac{2}{3}}[/tex]

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