Step-by-step explanation:
s1 = 300
s2 = s1 × 2 = 300 × 2 = 600
s3 = s2 × 2 = s1 × 2² = 1200
sn = sn-1 × 2 = s1 × 2^(n-1)
s7 = 300 × 2⁶ = 300 × 64 = 19,200
Answer:7/8
A coin is tossed 3 times. The probability of getting at least one head is 7/8.
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Answer:
1, 2, 4, 8, 16, and 32
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given
--- Average
--- Average
Required
Determine the overall average
Represent the sum of the first three with x.
So:

Solve for x


Represent the sum of the next seven with y.
So:

Solve for y


The overall average is calculated as thus:



