Answer:
i dont know this it is hard
Step-by-step explanation:
Answer:
The answer is 46.
Step-by-step explanation:
You have to substitute the value of a and c into the expression :

Let a = 10,
Let c = 4,



(a + b)2 Plug in the a and b values
(2 + 3)2 Add 2 and 3
(5)2 Multiply 5 and 2
10
When a = 2 and b = 3, (a + b)2 will equal 1.) 10.
The answer is not any of the letters. I got x=15/2 or x=7.5. You may have made an error in your question.
Answer:
7) 9.135x10^10
8) 3.428x10^-2
9) 2.5x10^-7
10) 4x10^10
Step-by-step explanation:
You’re only supposed to have one number to the left of the decimal point in scientific notation.
7) 9.135x10^10
8) 3.428x10^-2
9) 2.5x10^-7
10) 4x10^10