409,200,000,000= 4.092 × 10^11
Answer:
D
Step-by-step explanation:
Answer:
Take a better picture so I can see better
Step-by-step explanation:
Answer: 2592 square inches. To find the area, multiply the length and the width together. When a question says ___ by ___, they are saying ____ units long and ____ units wide. Here, 72 by 36 means 72 inches long and 36 inches wide, so multiply those together to get your area.
Answer: (x−2)(x−4)
Step-by-step explanation: Let's factor x2−6x+8
x2−6x+8
The middle number is -6 and the last number is 8.
Factoring means we want something like
(x+_)(x+_)
Which numbers go in the blanks?
We need two numbers that...
Add together to get -6
Multiply together to get 8
Can you think of the two numbers?
Try -2 and -4:
-2+-4 = -6
-2*-4 = 8
Fill in the blanks in
(x+_)(x+_)
with -2 and -4 to get...
(x-2)(x-4)
