SQL/MySQL/Math/Power

Use power

/*
mysql> select POW(10, 2);
+------------+
| POW(10, 2) |
+------------+
|        100 |
+------------+
1 row in set (0.00 sec)
mysql> select POWER(2, 10);
+--------------+
| POWER(2, 10) |
+--------------+
|         1024 |
+--------------+
1 row in set (0.00 sec)

*/  
select POW(10, 2);
select POWER(2, 10);