Answer:
38/3 = 12 2/3
Step-by-step explanation:
No he's not correct
<span>(3 – 6y2)(y2 + 2)
= 3(y2) -6(y2)(y2) - 6y2(2) </span>+ 3(2)<span>
= 3y2 -6y4 - 12y2 </span>+ 6 <span>
= -6y4 - 9y2 +6</span>
The correct answer is B.) 4
Answer:

Step-by-step explanation:
GIVEN: two two-letter passwords can be formed from the letters A, B, C, D, E, F, G and H.
TO FIND: How many different two two-letter passwords can be formed if no repetition of letters is allowed.
SOLUTION:
Total number of different letters 
for two two-letter passwords
different are required.
Number of ways of selecting
different letters from
letters


Hence there are
different two-letter passwords can be formed using
letters.
Answer:
0.0008235
Step-by-step explanation:
8.235 x 10⁻⁴
10 to the exponent of a negative number means the decimal place is moved to the left to make the number smaller.
Move the decimal place 4 over the left.
0.0008235