You measure two quantities as A = 1.0 m ± 0.2 m, B = 2.0 m ± 0.2 m. We should report correct value for √AB as: (a) 1.4 m ± 0.4 m (b) 1.41m ± 0.15 m (c) 1.4m ± 0.3 m (d) 1.4m ± 0.2 m
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You measure two quantities as A = 1.0 m ± 0.2 m, B = 2.0 m ± 0.2 m. We should report correct value for √AB as:
(a) 1.4 m ± 0.4 m
(b) 1.41m ± 0.15 m
(c) 1.4m ± 0.3 m
(d) 1.4m ± 0.2 m
Step by step
Solved in 3 steps
- Problem 1: Suppose A = (-3.03 m)i + (4.35 m)j, B = (2.71 m)i + (-4.29 m)j + (2.99 m)k, and D = (-2.48 m)i + (-4.5 m)j. Part (a) What is the angle, in degrees, between D and A? Numeric : A numeric value is expected and not an expression. Part (b) What is the angle, in degrees, between D and B? Numeric : A numeric value is expected and not an expression.Calculate the following and express the answer in the proper number of significant figures: (3.245x0.035x9.0023)/(4.076×2.01×42.3)= Next PreviousPerform these operations in scientific notation with the appropriate number of significant figure 2.80*10-5 km + 1.14*105 cm.
- Calculate the following and express the answer in the proper number of significant figures: (5.245x0.03x9.0023)/(4.076x0.029x42.3)=A rectangular block of wood is measured to have the dimensions 11.2 cm, 3.4 cm and 4.10 cm. Compute the volume of the block using the rules of significant figures. O 1.645 x 10² cm² a) b) 16 x 10² m² c) 1.6 x 10² cm² d) 1.60x 10² cm² Question 8 (Mandatory) (10 points) Saved 0:21A rectangle has a length of (5.1 ± 0.2) m and a width of (2.3 ± 0.1) m. Calculate: (a) the area and (b) the perimeter of the rectangle, Give the uncertainty in each value.
- 2 8 Perform the following calculations: (6.02 × 10²3) × (7.1 × 103) = 4.2742 ×1027 (8.46 × 10-4) × (2.23 x 103) = 1.88 65 8×100 3.6 × 107/2.2 × 104 = 1.63 x 10" 9 Perform the following conversions: 27.03 cm X 3.3 × 10⁰ g X 83 mph X 3.33 × 10-³ mL X 75 μm x 4°C X 12 miles x 2.9 g X 11.7 mg x 3.62 × 10-³ L X 36 gallons X 100 yards X 77°F X 15 nm X -16°C X 29 µg X 30 = = = || = || = || = = Exploring Biology in the Laboratory 04 6.4 × 106/4.2 × 10-³ = 1,52 7.2 × 108 + 3.3 × 107 = 7.53×108 9.4 × 106 - 4.6 × 10³ = 8.94×106 nm kg km/h gallons mm °F mm pounds kg mL Ligns 3 °C m °F ounces 29x119 1590 00000 on sii byg مواد ola 3 omen 3 bab 8 a obim A MHow many significant figures are there in (a) 0.0210, (b) 5.060, (c) 7.10 * 10-4,(d) 1.0 * 105?Which of the following calculations have the correct number of significant figures in the final result? 2.2 ст + 2.00 ст — 4.20 ст O 12.34 g 3.94 cm³ 3.132 cm3 V 2.0 cm - 1 cm = 1 cm V 11.32 cm x 6.31 cm x 6.762 cm = 4.83 × 10² cm³ V 10.32 cm × 6.31 cm × 6.762 cm = 4.40 × 10² cm³ V 1.0 x 10'g 0.27 cm 37 cm
- Which one of the choices below represents the preferred practice regarding significant figures when multiplying the following: (12.00)(0.811)(0.004)? A. 0.038928 B. 0.038 C. 0.04 D. 0.039 E. 0.0389(a) What Is the area and uncertainty in area of one side of a rectangular plastic brick that has a length of (21.4 + 0.4) cm and a width of (9.8 0.1) cm? (Give your answers in cm².) 209.72 X 6.06 x) cm² (b) What If? If the thickness of the brick is (1.2 ± 0.1) cm, what is the volume of the brick and the uncertainty in this volume? (Give your answers in cm³.) 1.73 X 0.432 x) cm³calculate the following and express the answer in the proper number of significant figures: (3.245x0.035x9.0023)/(4.076x2.01x42.3)