Please help me with this

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.