if 10 to the power 2y=25 then find the value of 10 to the power -y
Attachments:
![](https://hi-static.z-dn.net/files/d85/77285232b32075321d0bd24da50c17e1.jpg)
Answers
Answered by
24
hey !!
check the attachment.
check the attachment.
Attachments:
![](https://hi-static.z-dn.net/files/dc3/ca8c260e244ed3de2f2979866c937fc8.jpg)
Answered by
9
10^2y=25
(10^y)^2=(5)^2
square cancel on both side
10^y=5
(10^y)^-1=(5)^-1
10^-y=1/5
(10^y)^2=(5)^2
square cancel on both side
10^y=5
(10^y)^-1=(5)^-1
10^-y=1/5
sakshi201718:
y=10; 2×y; 2×10=20
Similar questions