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What are the answers to the following questions regarding basic definitions, word positions, number words, skip counting, and unit conversions?

Mathematics

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Here are the answers to the questions:

  1. The amount of matter in an object is mass.

  2. The standard unit of length is meter.

  3. The standard unit of mass is kilogram.

  4. The distance between two points is length.

  5. The standard unit of liquid is liter.

  6. From the word "SCHOOL" a) The position of "C" is second. b) The position of "H" is third. c) The position of "S" is first.

  7. Write the numbers in words with their ordinal number. a) Eighteenth = 18 b) Thirtieth = 30 c) Twentieth = 20 d) Nineteenth = 19

  8. Assuming the sequence starts from 3 (i.e., 3, 6, 9, 12,...), it is skip counting by 3.

  9. Convert the following unit: a. Step 1: Recall that 1 kg=1000 g1\text{ kg} = 1000\text{ g}.

  1. Divide the given grams by 1000.

    $$
    8000\text{ g} = \frac{8000}{1000}\text{ kg} = \boxed{8\text{ kg}}
    $$
    b. Step 1: Recall that $1\text{ quintal} = 100\text{ kg}$.
    
  2. Multiply the given quintals by 100.

    $$
    6\text{ quintal} = 6 \times 100\text{ kg} = \boxed{600\text{ kg}}
    $$
    c. Step 1: Recall that $1\text{ km} = 1000\text{ m}$.
    
  3. Multiply the given kilometers by 1000.

    $$
    12\text{ km} = 12 \times 1000\text{ m} = \boxed{12000\text{ m}}
    $$
    d. Step 1: Recall that $1\text{ L} = 1000\text{ ml}$.
    
  4. Multiply the given liters by 1000.

    $$
    15\text{ L} = 15 \times 1000\text{ ml} = \boxed{15000\text{ ml}}
    $$
    

    10. Add and subtract a. Step 1: Add the numbers. 86 ml+32 ml=118 ml 86\text{ ml} + 32\text{ ml} = \boxed{118\text{ ml}} b. Step 1: Add the numbers. 81 ml+54 ml=135 ml 81\text{ ml} + 54\text{ ml} = \boxed{135\text{ ml}} c. Step 1: Subtract the numbers. 220 kg−46 kg=174 kg 220\text{ kg} - 46\text{ kg} = \boxed{174\text{ kg}} d. Step 1: Subtract the numbers. 600 kg−60 kg=540 kg 600\text{ kg} - 60\text{ kg} = \boxed{540\text{ kg}}

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