Answer:
4004
Step-by-step explanation:
The number of combinations of choosing r objects from a group of n is nCr.
So the number of ways to get 7, 8, 9, or 10 heads from 13 coin tosses is:
₁₃C₇ + ₁₃C₈ + ₁₃C₉ + ₁₃C₁₀
= 1716 + 1287 + 715 + 286
= 4004
Answer:
6
2
+
8
−
2
5
=
−
3
6a^{2}+8a-25=-3
6
2
+
8
−
2
5
−
(
−
3
)
=
0
Step-by-step explanation:
0/3
Answer:
46.8
Step-by-step explanation:
The 4^10 and 4^5 can be simplified. So the answer is:
10^4 x 4^5
(The top right corner)
