ANyone know the answer to this???

Step-by-step explanation:

i) the solutions are the two x-intercepts, where y = 0.  

One such intercept is (-1/4, 0) and the other is at (5/4, 0).  In other words, the solutions are x = -1/4 and x = 5/4.

ii) To solve this, we draw a line through y = 2 and determine the x values at which the graph crosses this line.  

They are x = -1 and x = 3.

1. 8.03 x 108 2. 6.8 × 10-9 3. 135,900 4. 2.5x10^-11

Step-by-step explanation:

Step 1

To find a, take the number and move a decimal place to the right one position.

Original Number: 803,000,000New Number: 8.03000000Step 2

Now, to find b, count how many places to the right of the decimal.

New Number:8.03000000Decimal Count:12345678

There are 8 places to the right of the decimal place.

Step 3

Building upon what we know above, we can now reconstruct the number into scientific notation.

Remember, the notation is: a x 10b

a = 8.03 (Please notice any zeroes on the end have been removed)

b = 8

Now the whole thing:

8.03 x 108

Step 4

Check your work:

108 = 100,000,000 x 8.03 = 803,000,000