Negative Index
3^0
1
Write as a power of x
x^(3)\times x^(4)
x^(7)
\sqrt40
2\sqrt10
(sqrt5)^2
5
What has hands but cannot clap?
A clock
xy^-1
x/y
Simplify
(m^2)^5
m^10
3\sqrt8
6\sqrt2
\sqrt6\times \sqrt10
2\sqrt15
\sqrt60
The more you take, the more you leave behind. What am I?
Footsteps
2x^-2\times 3x^-1
6x^-3
6/x^3
Simplify
a^9/(a^3)
a^(6)
5\sqrt7-3\sqrt7
2\sqrt7
(3\sqrt10)/\sqrt5
3\sqrt2
What gets wetter the more it dries?
A towel.
(2m^4n^-2)^4
16m^16n^-8
16m^16/n^8
Simplify
(6x^(7))/ (2x^(3))
3x^4
7\sqrt6+5\sqrt3-4\sqrt6-7\sqrt3
3\sqrt6-2sqrt3
\sqrt6(\sqrt8-1)
\sqrt48-2\sqrt2
4\sqrt3-\sqrt6
I’m tall when I’m young and short when I’m old. What am I?
A candle
(10x^2y^-2)^3\div(2x^-1y^3)^2
250x^8y^-12
250x^8/y^12
((2x^3)^2 x^4)/(4x^5)
x^5
\sqrt27+\sqrt75-\sqrt48
4 \sqrt3
(\sqrt6-1)(\sqrt6+1)
5
A man leaves home, turns left three times and returns home to find two masked men waiting for him. Who are they?
The catcher and umpire — he is playing baseball