Estimation Techniques in Mathematics
Multiple Choice
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These flashcards cover the principles of rounding to significant figures and estimating values in operations such as addition and multiplication.
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10 Terms
The estimated value of 67.8 rounded to 1 significant figure is __.
70.
The estimated value of 2.38 rounded to 1 significant figure is __.
2.
The estimated value of 4.803 rounded to 1 significant figure is __.
5.
The estimated value of 29.87 rounded to 1 significant figure is __.
30.
The estimated value of 9.78 x 10 (in scientific notation) rounded to 1 significant figure is __.
10.
The estimated value of 2.04 x 10° (in scientific notation) rounded to 1 significant figure is __.
2 x 10°.
The formula to estimate the value of an expression is __.
Round each number to 1 significant figure and then perform the operation.
When estimating the sum of 4.803 + 29.87, the rounded values are and .
5 and 30.
Following the estimation process, the estimated result for 67.8 x 2.38 is __.
140.
The result of estimating 4.803 + 29.87 is __.
35.
