In the sequence, the arrow changes the direction .If the pattern continues, what is the 100th shape? \(\Leftarrow\Rightarrow\Leftrightarrow\Leftarrow...?\) A)\(\Leftrightarrow\) B)\(\Leftarrow\) C)\(\Rightarrow\)
In the sequence, the arrow changes the direction .If the pattern continues, what is the 100th shape?
\(\Leftarrow\Rightarrow\Leftrightarrow\Leftarrow...?\) A)\(\Leftrightarrow\) B)\(\Leftarrow\) C)\(\Rightarrow\)
50 + 70 + 80 + 90=?????