The answers are the following:
1.<span> 4.8x100^7 is not in scientific notation.
</span><span>No; it is not written as a number times a power of 10. It should not be "times 100" because in scientific notation, the highest number to be expanded by the degree is 10.
2. </span><span>5.1x10^-8 is in scientific notation.
</span><span>yes; the number is written in scienfic notation. This is because it has a base number and multiply to x10^-8 which is the exponent indicating that the expanded value is 0.000000051
</span>
There are 8 pints in a gallon. So Zack’s statement is nonsense. Angela’s makes sense. 1 pint = 1/8 of a gallon.
Answer:
This ans is easily solved by using algebraic identities a²- b² = (a+b) (a-b)
Step-by-step explanation:
1. convert into Identity
2. solve quadratic equation that formed.
