Question

Express in power notation: (i) -343, (ii) 49/25, (iii) -8/27, (iv) 81/625

Answer 1

1)-7^3=-343
2)7^2/5^2=49/25
3)-2^3/3^3=-8/27
4)9^2/25^2=81/625

Answer 2

i) $-343=-(7)^3$

ii) $\frac{49}{25}=(\frac{7}{5})^2$

iii) $-\frac{8}{27}=-(\frac{2}{3})^3$

iv) $\frac{81}{625}=(\frac{9}{25})^2$

Step-by-step explanation:

To find : Express in power notation ?

Solution :

(i) -343

$-343=-(7)^3$

(ii) $\frac{49}{25}$

$\frac{49}{25}=\frac{7^2}{5^2}$

$\frac{49}{25}=(\frac{7}{5})^2$

(iii) $-\frac{8}{27}$

$-\frac{8}{27}=-\frac{2^3}{3^3}$

$-\frac{8}{27}=-(\frac{2}{3})^3$

(iv) $\frac{81}{625}$

$\frac{81}{625}=\frac{9^2}{25^2}$

$\frac{81}{625}=(\frac{9}{25})^2$

#Learn more

Express in power notation 81\625

https://brainly.in/question/3776603