I don’t know i don’t speak spanish
Answer:
13(b-1)
Step-by-step explanation:
I think it the right one
<span><span>1.
</span>Give the scientific notation of 8.7 billion.
8.7 billion = 8 700 000 000
Scientific notation is the process of multiplying the given number by 10 to the
power of n.
Since billion has 9 zeros that’s equals
to 10^9
=> 8.7 x 10^9
let’s try solving this
=> 8.7 x (10 * 10 * 10 * 10 * 10 * 10 * 10 * 10 * 10)
=> 8.7 x 1 000 000 000
=> 8 700 000 000
Thus, our scientific notation of 8.7 billion is 8.7 x 10^9</span>
Answer:
The price of the sweater originally was $40.
After reducing it $6, it is now $34.
Step-by-step explanation:
15% = .15
0.15x = 6
x = $40 -- this is the original price of the sweater.
$6 discount due to damage
$40 - $6 = $34
Answer:

Step-by-step explanation:
We have the problem:

6 2/3 can be written as (6 + 2/3), and 3 1/5 can be written as (3 + 1/5). So, we can then use the distributive property:

Now, we need to combine the fractions by finding a common denominator. Here, the common denominator is 3 * 5 = 15: 
Finally, we add 18 to 1 11/15: 
Thus, the answer is
.
Hope this helps!