Answer:
The required expression is [tex]7.5\times 10^5[/tex]
Step-by-step explanation:
Consider the provided information.
A tissue can be 0.000075 meters thick and we need to represent it into scientific notation.
Steps to write a number in scientific notation.
Now, consider the number 0.000075
Move the decimal point to 5 place right so that the new number from 1 up to 10.
Now, put the exponent the number of times you moved decimal. [tex]7.5\times 10^5[/tex]
Hence, the required expression is [tex]7.5\times 10^5[/tex]