A: What is the smallest increment on the voltmeter B: What is the uncertainty

(Multi choice)

1. A: 10 V
2. A: 1 V
3. A: 100 V
4. B: 5 V
5. B: 0.5 V
6. B: 50 V​

Hi my sisters and brothers can tell me the answer because i don’t understand the question

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.