State the number of significant digits and the implied precision of the given number.
-$6.500 \times 10 ^ { 7 }$
A) 4 significant digits, precise to the nearest thousandth
B) 8 significant digits, precise to the nearest unit
C) 2 significant digits, precise to the nearest 10,000
D) 4 significant digits, precise to the nearest 10,000

Question

Quizplus · Accepted Answer

The number $6.500 \times 10^7$ has 4 significant digits (6, 5, and two zeros after the decimal point). The position of the last significant digit (the second zero) indicates precision to the nearest 10,000 when expanded (65,000,000).

State the Number of Significant Digits and the Implied Precision 6.500×1076.500 \times 10 ^ { 7 }6.500×107

State the Number of Significant Digits and the Implied Precision $6.500 \times 10 ^ { 7 }$