Answer:97 rods
Step-by-step explanation:
The number of steel rods for 95% confidence level


E=3

Substituting values


Thus 97 rods is tested
Answer:
A. -1
B. 1
C. 3
D. -2
yes
Step-by-step explanation:
The answer is h to the power of 7 because you add the exponents
Answer:

Step-by-step explanation:




People should conserve energy because it produces a higher quality of life. Reduced emissions result in cleaner air quality. It also helps create a healthier planet and helps sustain resources we have.