Answer: 
Explanation:
Place the decimal point between the first two digits to get 4.14
Now ask yourself: How many places must we move the decimal point to go from 4.14 back to 4,140,000,000?
The answer is 9 places to the right.
This means we'll have 9 as the exponent over the 10

Answer:
The answer is b. 4*3 2/5.
Step-by-step explanation:
It states 4 times the amount Ruby mixed. Ruby mixed it 3 2/5 solution. So you would right out 4 x 3 2/5.
The answer would be -12+8i
Step-by-step explanation:
so blue and pink = purple Yellow and red = orange