The Problem |
Use a calculator to approximate each expression. Write each answer in scientific notation. a). b). c). |
Expressions such as these must be entered correctly into the calculator in order to obtain correct answers. Pay special attention to parentheses.
a). To enter the expression
press
The answer given is 1736. To change to scientific notation, move the decimal point between the 1 and 7. Since the move is to the left, the exponent will be positive. Thus .
b). To enter the expression
The answer given is .18. To change to scientific notation, move the decimal point between the 1 and 8. Since the move is to the right, the exponent will be negative. Thus .
c). To enter the expression
The answer, 1.58960355E12 is already given in scientific notation meaning . Rounded to 3 significant digits, that would be 1.59 X 10^{12}.
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