
an is the 'nth' term
a1 is first term
d=common difference (found by doing

)
n=numerical representation of which term
Answer:
40287600 = B. 4 x 
Step-by-step explanation:
<u>We first have to do the multiplication of the numbers given:</u>
19 * 2,120,400
=> 40287600
<u>Now we have to figure out how many digits are after the number 4:</u>
4, 0 2 8 7 6 0 0
7 digits
Meaning that we need an exponent of 7 for it to be in scientific notation, giving us with the answer B. 4 x 
Answer:
The value of given expression is 244.
Step-by-step explanation:
The given expression is
.
We need to simply the above expression.
First of all, we will subtract 246 from 734. By doing so, we get 488.
Now, we can divide 488 by 2.
As a result we get 244.
So, the value of given expression is 244.