PWB p.31

Just Fill The blank no need of explanation.

Convert the area of the circle to um2 (micrometer square). Follow the format provided in the image and the answer must be in scientific notation.  a. 44.2 cm2 to um2

STARTING AMOUNT + X An onion skin is measured to be 0.0850 millimeters thick. How many inches is this? 2.16 0.850 ADD FACTOR x( ) 0.00850 3.35 in 10 0.335 0.00335 Question 33 of 48 0.00216 mm 100 2.54 m = 8.50 ANSWER 0.0216 0.0254 μm 0.01 1 1000 RESET cm 5 8.50 x 10-4 0.1 0.001 0.0850 Submit

What is the correct representation of 702.0 g in scientific notation?A. 7.02 × 1 0 3 gB. 70.20 × 1 0 1 gC. 7.020 × 1 0 2 gD. 70.20 × 1 0 2 g

I have to rank from greatest to least

1. Convert the number 3,200,000 into scientific notation with the same significant figures? 2. Convert 80 km/hr to SI units. Use scientific notation and apply the proper use of significant figures? 3. Convert 3.42 km to SI units. Use scientific notation and apply the proper use of significant figures? 4. Convert 74 mph to SI units. Use scientific notation and apply the proper use of significant figures? 5. Convert 9.12 μs to SI units. Use scientific notation and apply the proper use of significant figures?

Complete the following addition/subtraction calculations. Report your final answer to the correct number of significant figures and units. 14.62 g+ 0.1338 g 359.6+56.07 - 1088 367.2580 g - 80.4 g VI. Complete the following calculations. Report your final answer to the correct number of significant figures and units. 6.8 cm x 0.290 cm

Express each result to the proper number of significant figures  0.00071+0.002+0.00008 0.9827-0.06 14.9164-10.08+3282 8.13 x 102+8.13 x 103 1.784 x 104-3.6738 x 103 5.4989 x 10-3-1.5300 x 10-2

Wire Wire 1 0.0404 0,610 Wire 2 0.0195 ? 0.0105 (r) (in) 0.0193 Length(in) 0.0114 0.0136 (lbs) (lbs/in³) ? 0.324 4.42E-4 0.698 The volume of a cylindrical piece of wire can be approximated using V = pi r² L What is the density of Wire 2 in kg/mL? See the next few questions below to help answer this question! Metal Cu-Copper Unknown

Don't use AI.

Express each answer in scientific notation in the units indicated.a. (1.26 × 1 0 4 kg) + (2.5 × 1 0 6 g) in kgb. (7.06 g) + (1.2 × 1 0 -4 kg) in kgc. (4.39 × 1 0 5 kg) - (2.8 × 1 0 7 g) in kgd. (5.36 × 1 0 -1 kg) - (7.40 × 1 0 -2 kg) in g

STARTING AMOUNT X 0.001 Convert 0.0134 ADD FACTOR x( ) 13.4 134 L to milliliters. Use only the metric system. 1.34 x 10-s 0.0134 L 1000 ANSWER 100 mL 0.1 10 RESET 5 0.01 1

A student needs to determine the density of an irregularly shaped object. This student prepares a solution mixture where the object is suspended. The collected data is shown in the table below. Liquid Dichloromethane Methanol 0 Density mL g mL 1.3340 0.791 Volume (mL) 9.28 Determine the density of the object. Be sure your answer has the correct number of significant digits. 6.15 0 X S

I. How many significant figures does each number contain? 1 ]  0.00 2]  160 3]   0.00160 4 ] 1,600,000 5]  1.06   II. Round off each number to three significant figures. 1]  25,401 2]  1,248,486 3]  123456 4]  371 5]  0.012695982 III. Write each quantity in scientific notation. 1]  1,234 g 2]  44,000 km 3]  0.000162 m 4]  5,244,000 L 6]  4,440 s   III. Convert each number to its standard form. 1]  4 x 10⁸ 2]  3 x 10² 3]  822 x 10⁻⁵ 4]  0.2 x 10¹0 5]  200 x 10⁻⁷

Write the numbers in scientific notation. 673.5 673.5 = x 10" a = 0.034 x 10% b = 0.034

Title: Determination of the density of water  Purpose: Determine the density of water Procedure: type the steps one by one in short sentences  Data/Results   (use these data)                                            beaker one           beaker two     beaker three empty beaker mass (g)       54.5678              55.7768           60.3322 beaker +water mass(g)       64.3678              65.6768          70.1322 Volume of water (ml)           10.00                 10.00              10.00 density of water (g/ml)                                       average  Conclusion The density of water is______g/ml

Multiply or divide the following measurements. Be sure each answer you enter contains the correct number of significant digits. 7.808 cm x 1.225 cm = 689.9 mol+ 0.88 L = 2.09 mol L Explanation x 4.30 L Check 2 cm mol ㅁ mol Q 0.9 X Ś 4 Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Access