Answer:
1. Sixth Term is 512
2. 12th term is 2048
3. a10 is -1/256
4. 7th term is 2187
5. 6th term is 96
Step-by-step explanation:
Just Multiply the r with each term to find the next term.
1. 2÷1/2 is 4, so 1/2,2,8,32,128,512
2. 2÷1 is 2, so multiply until the 12th term, 1,2,4,8...2048
3. -1÷2 is -0.5, so multiply until the a10 which is the same as 10th term. 2,-1,1/2,-1/4...-1/256.
4. r=3 and first term is 3, so 3,9,27...2187
5. No first term, put still possible so r=2, _,6,12...96.
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Answers & Comments
Answer:
1. Sixth Term is 512
2. 12th term is 2048
3. a10 is -1/256
4. 7th term is 2187
5. 6th term is 96
Step-by-step explanation:
Just Multiply the r with each term to find the next term.
1. 2÷1/2 is 4, so 1/2,2,8,32,128,512
2. 2÷1 is 2, so multiply until the 12th term, 1,2,4,8...2048
3. -1÷2 is -0.5, so multiply until the a10 which is the same as 10th term. 2,-1,1/2,-1/4...-1/256.
4. r=3 and first term is 3, so 3,9,27...2187
5. No first term, put still possible so r=2, _,6,12...96.