Answer:
9d = the cost of the tennisballs
Step-by-step explanation:
E: two and two fifths
F: two and 2 fifths
G:three and 4 fifths
H:3 and one half
The answer is .
Solution:
Use algebraic identity:
For example:
Given expression and .
To multiply these equations.
Combine like terms together.
Hence the answer is .
9.2x10^-8
Move the decimal to the right 8 times. Since it is moved to the right, the exponent is negative.