X+5/5=X+9/7
-X. -X
5/5=9/7
there is no solution
Answer:
0.53333...
(0.53 with the 3 recurring).
Step-by-step explanation:
Do the division:
15 ) 8.0000 (0.533....
75
50
45
50
45
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: 