Scientific Notation
This is the standard form of the number 5 × 104
What is 50,000?
This is the number of significant figures in the value 402.1
What is four?
This metric prefix represents a factor of 10³ or one thousand.
What is kilo-?
Converting 2.0 yards into inches requires stepping through feet and results in this final value.
What is 72 inches? (2 sig figs)
This element with the atomic symbol Au has been prized for millennia for its luster and resistance to corrosion.
What is gold?
When writing a number in proper scientific notation, the coefficient (the first part) must be greater than or equal to 1 and less than this whole number.
What is 10?
Following the calculation rules, the sum of 12.11 and 1.5 should be rounded to this many decimal places.
What is one? (or tenths place)
This is the standard metric base unit for measuring mass or weight.
What is the gram?
When converting 0.50 miles into yards by stepping through feet first, you get this value.
What is 880 yards? (2 sig figs; 880 has two sig figs, which matches the original value)
Making up about 78% of the Earth's atmosphere, this gas is the most abundant uncombined element on our planet.
What is nitrogen?
This is the standard decimal form for 2.504 × 10⁻² .
What is 0.02504?
When written with three significant figures, the number 0.007629 rounds to this value.
What is 0.00763?
Converting 15.0 meters into centimeters yields this value.
What is 1.50 x103 cm?
A runner finishes a 2.0-mile race; converting miles to feet and then feet to yards means they ran this many yards.
What is 3,500 yards? (2 sig figs; 2.0 miles = 10,560 feet = 3,520 yards, which rounds to 3,500
This is the only letter in the English alphabet that does not appear anywhere on the periodic table of elements.
What is J?
To correctly convert the very small number 0.0000345 into scientific notation, it is written as this.
What is 3.45 × 10⁻⁵?
This is the answer to the multiplication problem (3.24 × 5.0) expressed with the correct number of significant figures.
What is 16?
This is the equivalent volume of a 250-milliliter beaker when converted into liters, respecting sig figs.
What is 0.25 liters?
A physical map shows a trail that is 108,000 inches long; converting this to feet and then to miles gives this final distance.
What is 1.70 miles? (3 sig figs; 108,000 inches = 9,000 feet = 1.7045 miles, which rounds to 1.70)
This geological layer of the Earth sits directly beneath the crust and makes up about 84% of our planet's total volume.
What is the mantle?
This is the simplified product of multiplying (5.2 × 10⁷) by (4 × 10⁻³).
What is 2.08 × 10⁵?
This is the calculated result of the multi-step operation (4.25 × 10.00) + 0.083, expressed with the correct absolute number of significant figures.
What is 42.6? (Explanation: 4.25 × 10.00 = 42.5, which is precise to the tenths place. Adding 0.083 to 42.5 yields 42.583, which must then be rounded to the tenths place to match the least precise measurement in addition.)
A distance of 8.00 × 10⁵ micrometers converted into meters equals this exact value.
What is 0.800 meters?
A vehicle traveling at a constant speed of 60. miles per hour is moving at this many feet per second after converting miles to feet, then hours to seconds.
What is 88 feet per second? (2 sig figs; 60. mph = 316,800 feet per hour = 88 feet per second)
Because it expands when it freezes, this common liquid is unique for having a solid state that is less dense than its liquid state.
What is water?