1.50 x 10^3
There are 2 significant figures in this measurement.
2
It is 1500.
Two. Although there is no way to be sure that the number is not accurate to the unit's digit.
A zero is considered significant when it contributes to the precision of a measurement. This includes zeros that appear between non-zero digits (e.g., 105 has three significant figures) and trailing zeros in a decimal number (e.g., 2.300 has four significant figures). However, trailing zeros in a whole number without a decimal point (e.g., 1500) are not considered significant unless specified by a bar over the last significant digit or expressed in scientific notation.
Expressed in figures, 1500 million is equal to 1,500,000,000.
1500,00,00,0001500,00,00,0001500,00,00,0001500,00,00,000
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1500 pounds
3% of 1500 = 0.03 x 1500 =45
Known:distance = 1500migas mileage = 19mi/galcost of gallon =$3.50/galUnknown:cost for entire tripSolution:gallons used = 1500mi x 1gal/19mi = 79gal (rounded to two significant figures)cost of trip = 79gal x $3.50/gal = $280 (rounded to two significant figures)
1497.