Question
1. Consider the expression. 6.90105=(0.100+)2 You can solve for using a technique called successive approximations. Step 1: If you assume that is very small compared
1.
Consider the expression.
6.90105=(0.100+)2
You can solve for using a technique called successive approximations.
Step 1: If you assume that is very small compared to 0.100, such that 0.100+0.100, then your first approximation of (call it 1) can be calculated as
6.90105=1(0.100)2
Calculate the first approximation of . Express all answers to three or more significant figures.
1=
Step 2: Now, take your first approximation of and plug it into the full equation.
6.90105=2(0.100+1)2
Calculate the second approximation of .
Step 3: Each successive approximation uses the value from the previous approximation.
6.90105=3(0.100+2)2
Calculate the third approximation of .
3=
Step 4: Continue this process until two x values agree within the desired level of precision. Calculate the fourth and fifth approximations of .
4=
x5=
which values are the first to agree to two significant figures?
1 and 2, 3 and 4, 4 and 5, x2 and 3
Which values are the first to agree to three significant figures?
1 and 2, 4 and 5, 2 and 3, 3 and 4
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