09:31Multiplying and dividing with significant figures | Decimals | Pre-Algebra | Khan AcademyKhan Academy368views
08:59Addition and subtraction with significant figures | Decimals | Pre-Algebra | Khan AcademyKhan Academy423views
Multiple ChoiceWhat is the area of a sidewalk that is 2.293 m wide and 90 m long? Write your answer with the correct number of significant figures.792views7rank2comments
Multiple ChoiceA particle's position in meters is given by the function x(t)=2.0t4−3.0t. What is the velocity of the particle at t=3.0s?275views
Textbook QuestionA 5.4-cm-diameter cylinder has a length of 12.5 cm. What is the cylinder's volume in basic SI units?506views
Textbook QuestionPerform the following calculations with the correct number of significant figures. (d) 16.5/3.45235views
Textbook QuestionPerform the following calculations with the correct number of significant figures. (a) 159.31 x 204.6259views
Textbook QuestionCompute the following numbers, applying the significant figure rules adopted in this textbook. (c) sqrt(33.3)389views
Textbook QuestionPerform the following calculations with the correct number of significant figures. (c) 7.662 - 7.425227views
Textbook QuestionPerform the following calculations with the correct number of significant figures. (b) 5.1125 + 0.67 + 3.2242views
Textbook QuestionWith a wooden ruler, you measure the length of a rectangular piece of sheet metal to be 12 mm. With micrometer calipers, you measure the width of the rectangle to be 5.98 mm. Use the correct number of significant figures: What is (a) the area of the rectangle?618views1rank
Textbook QuestionMultiply 4.079 x 10² m by 0.057 x 10⁻¹ m , taking into account significant figures.177views
Textbook QuestionFor small angles θ, the numerical value of sin θ is approximately the same as the numerical value of tan θ. Find the largest angle for which sine and tangent agree to within two significant figures.210views
Textbook QuestionAn average family of four uses roughly 1200 L (about 300 gallons) of water per day (1L = 1000 cm³). How much depth would a lake lose per year if it covered an area of 60 km² with uniform depth and supplied a local town with a population of 40,000 people? Consider only population uses, and neglect evaporation, rain, creeks and rivers.238views