3. How many significant figures are in the following numbers? a. 2.3
b. 17.95
c. 9.89 x 10^3
d. 170
e. 1.02

Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation 2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!

The sound level near a noisy air conditioner is 70 db. if two such units operate side by side, the sound level near the, would bea. 70dbb. 73 dbc. 105 dbd 140 db