You know the following information:
1. The amount of money (in dollars) earned last year was:

2. The amount of money (in dollars) earned this year, is:

Then, to estimate the sum (the total amount of money the Software Company earned in those two years, you can round the numbers to the nearest billion.
Having:

You need to look at the digit located in the Hundred millions place. Notice that this is:

Then, since:

You need can't round up. Then:

Now, having:

You can identify that the digit in the Hundred millions place is

Therefore:

Now you can add the numbers rounded:

Hence, the answer is: Option B.
The answer is 7 ok hduehdhd
A = (1/2) * apothem * pperimeter
A = (1/2) * 4.2 * (4 * 7)
A = 58.8 inches
Half the numbers on the die are even so you have a 1/2 probability of getting an even number. There is also. 1/2 probability of getting heads on a coin flip.
To find the probability of both happening, multiply the probability of each together:
1/2 x 1/2 = 1/4
The probability of getting an even number and heads is 1/4