x/20 = 21/14 (similar proportions)
x/20 = 3/2 (simplify by canceling out a factor of 7)
x = 30
10 to the 5th power means 5 times zero, place 8 before that and it will be 800000 then multiply with 0.5 it will be 400000. In scientific notation it will be like 4x10 the 5th power.
Answer: about61
Step-by-step explanation:
Answer:
true
Step-by-step explanation:
Using the equation 2x + y = 4, we get the following graph.
