math
posted by ossie .
magnitude estimate for 9.3*2.8=_
The exact answer for 9.3*2.8 is 26.04, but we only have 2 significant figures in each of the factors, so 26 is the estimate.
about 18
Respond to this Question
Similar Questions

Physics Mathematics
do we have to have the same amount of significant numbers in the values we got by convertion? 
Calc: euler's method
Use Euler's method with step size 0.2 to estimate y(1), where y(x) is the solution of the initialvalue problem below. Give your answer correct to 4 decimal places. y' = 1  xy y(0) = 0 y(1) = ____ ? 
Math
I need some help. Here is the problem: Give an estimate for the following expression. Then state whether you believe that the exact answer is greater than or less than the estimate. Explain how you decided. Here is what I have for … 
Math
Here is the question: Give an estimate for the following expression. Then state whether you believe that the exact answer is greater than or less than the estimate. Explain how you decided, The original question is this 54*23. Here … 
Math
I cannot figure this problem out. I have did it several ways and get conflicting answers. Give an estimate for the following expression: 12*26. Then state whether you believe that the exact answer is greater than or less than the estimate. … 
statistics
Give an estimate for each expression in Exercises, Then state whether you believe that the exact answer is greater than or less than the estimate. Explain how you decided. Use a calculator to check the accuracy of your estimate. 978 … 
math
First estimate answer then divide to find exact answer. Simplify all answers. 2 2/3 divided by 10 2/3 I don't understand how to estimate the answer. 
kw university
You want to get an idea of the magnitude of magnetic fields produced by overhead power lines. You estimate that a transmission wire is about 11 above the ground. The local power company tells you that the line operates at 16 and provide … 
Chemistry
Hi guys! I just learned about significant figures today, and I have a question about them. My teacher gave us a problem where all values have what I think is four significant figures (like 44.56) except the value for temperature (which … 
Math
Which two square roots are used to estimate √5?