Fortest n=6; do 2. 3. 3. and 4. 1. (1 point) int k. k=0.9999 Show your step-by-step calculation as it is done in the textbook: 2. (3 points) char ch; \[ \text { ch = static_cast }=\text { char }=(64+\text { t testrin): } \] Show your step-by-step calculation as it is done in the texbook 3. (3 points) double v : v=4/2(2+testn) Show your step-by-step calculation as it is done in the textbook: 4. (4 points) int v3 v=testn+77,44+47, Show your step-by-step calculation as it is done in the textbook