Answer:
Step-by-step explanation:
Answer:
33
x/
95 − 103/
36
Step-by-step explanation: i had too many steps and i cant type them all out.
This answer is only correct if you are talking about subtracting.
(x+y)^2=x^2+y^2+2xy=73+2*24=73+48=121
⇒ (x+y)^2=121
Answer:
60ft
Step-by-step explanation:
h x 20 = 120
h=120/20
h=60
Answer:

Step-by-step explanation:
In order to add or subtract numbers in scientific notation, the powers of ten must have the same exponent. In this caes the diameter of an average human body cell is a power of -4 and the diameter of a plant cell is a power of -3. In order to add them, we can move the decimal over for the body cell diameter:

Add the two values: 