Answer: D is correctly written in scientific notation.
Step-by-step explanation:
The base has to be between 1 and 10.
A has a base of 16.4 which is greater than 9.
B is not even in scientific because the base it being raise to an exponent
C has 0.71 as base which is less that.
Answer:
B, D
Step-by-step explanation:
Solve all equations:
A.

This is false equality, so this equation has no solutions.
B.

This equality is true for all values of x, so this equation has infinitely many solutions.
C.

This equation has the unique solution.
D.

This equality is true for all values of x, so this equation has infinitely many solutions.
E.

This equation has the unique solution.
Step-by-step explanation:
emily: 10(5/8) = 6 1/4 or 6.25 pounds left
10- 6.25 = 3.75 used
Frances : 10(2/5) = 4 pounds left
10-4 = 6 pounds used
Bills : 10(2/5) = 4 pounds left
10-4 = 6 pounds used
add them together
15.75 or 15 3/4 pounds of soil in the first flower bed