Answer:
9,750 and 0.0000084
Step-by-step explanation:
9.75 × 10^3= 9,750 (move decimal 3 places to the right because exponent is positive)
8.4 × 10^-6 = 0.0000084 (move decimal 6 places to the left because exponent is negative)
Explain better please?? Thanks
Answer:
70
Step-by-step explanation:
Chem : Phy = 3: 2
Since we have 105 pupils studying Chem and let's say we have x students stuyding Phy.
We have :
x=70
So since you haven't given us the actaul equation Im gonna guess that x equals to -7, and lets just say the x equals to uhhhhhh, i dont know how about 42? That sound about right? What im trying to say is next time can you please give out the equation? If you respond I could probably help you next time.
Answer: The change in height is 30 1/4 feet.
Solution:
Change in height: h=?
The car starts by going up 80 and one half feet:
h=+80 1/2 feet
Then the car goes down 50 and one fourth feet:
h=80 1/2 feet - 50 1/4 feet
h=80 2/4 feet - 50 1/4 feet
h= 80-50 2/4-1/4 feet
h=30 (2-1)/4 feet
h=30 1/4 feet