Express -27/64 in power notation .
Answers
Step-by-step explanation:
(-3/4)³ is the answer for this question
Answer:
please mark me as brainlest
Step-by-step explanation:
) -343=-(7)^3−343=−(7)
3
ii) \frac{49}{25}=(\frac{7}{5})^2
25
49
=(
5
7
)
2
iii) -\frac{8}{27}=-(\frac{2}{3})^3−
27
8
=−(
3
2
)
3
iv) \frac{81}{625}=(\frac{9}{25})^2
625
81
=(
25
9
)
2
To find : Express in power notation ?
Solution :
(i) -343
-343=-(7)^3−343=−(7)
3
(ii) \frac{49}{25}
25
49
\frac{49}{25}=\frac{7^2}{5^2}
25
49
=
5
2
7
2
\frac{49}{25}=(\frac{7}{5})^2
25
49
=(
5
7
)
2
(iii) -\frac{8}{27}−
27
8
-\frac{8}{27}=-\frac{2^3}{3^3}−
27
8
=−
3
3
2
3
-\frac{8}{27}=-(\frac{2}{3})^3−
27
8
=−(
3
2
)
3
(iv) \frac{81}{625}
625
81
\frac{81}{625}=\frac{9^2}{25^2}
625
81
=
25
2
9
2
\frac{81}{625}=(\frac{9}{25})^2
625
81
=(
25
9
)
2