Express in standard numeral form: 3^5

1. Astigmatism is a condition affecting which part of the body?
Eye
Ear
Brain
Throat

Ans: Eye

2. What is the lightest of all the elements and has the atomic number 1?
Oxygen
Nitrogen
Helium
Hydrogen

Ans: Hydrogen

3. Express in standard numeral form: 3^5
243
486
729
81

Ans: 243

4. What if 3/8 is reduced by 1/16?
5/16
7/16
10/13
9/16

Ans: 5/16

5. How many men have walked on the moon?
4
3
10
12

Ans: 12