Math Expoents

One microgram is equal to 1x10^-6 gram. If the mass of a substance is 8x10^9 micrograms, what is its mass in grams?
a) 1.25x10^-15
b) 1.25x10^-3
c) 8x10^3
d) 8x10^15

  1. 👍 1
  2. 👎 0
  3. 👁 930
  1. 8x10^9 * 1x10^-6 = 8x10^3

    1. 👍 3
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions


    1.Which of the following is greater than 4.3x10^9 A)2.1x10^9 B)3.2x10^9 C)5.3x10^9 D)7.4x10^8*** 2.Which of the following are less than 6.5x10^-5? A)1.4x10^-3 B)2.5x10^-4 C)7.8x10^-5 D)4.6x10^-6*** 3.Which number is greater than

  2. science

    a 54-gram sample of an unknown material has a volume equal to 20cm3 what is the identity of the substance

  3. Chemistry

    How do I make the following coversions, in standard exponential form? 1)14.8g to micrograms 2)3.72 X 10-3kg to grams 3)66.3 L to cubic centimeters 1 g = 10^6 micrograms = 10^6 ug. 14.8 g x (10^6 ug/1 g) = 14.8 x 10^6 ug = 1.48 x

  4. Intergrated Science A

    Which answer choices best indicate that a substance has experienced a chemical change? Select all that apply. when the substance changes temperature when the substance changes shape when the substance changes volume when a new

  1. Chemistry

    Substances A and B, initially at different temperatures, come in contact with each other and reach thermal equilibrium. The mass of substance A is twice the mass of substance B. The specifi c heat capacity of substance B is twice

  2. chemistry

    The complete combustion of salicylic acid releases 21.90 kJ of energy per gram of salicylic acid. In a particular bomb calorimeter (initially at room temperature), the combustion of 0.1182 g of salicylic acid, in the presence of

  3. physics

    an elevator lifts a total mass of 1.1x10^3 kg, a distance of 40 m in 12.5 s. How much power does the elevator demonstrate? P=w/t w=mgd (1.1x10^3)(9.8)(40)=4.3x105J 4.3x10^5J/12.5=3.4x10^4 is this right or should 12.5 s be

  4. Chemistry

    An unknown substance has a mass of 16.3 g. The temperature of the substance increases by 20.1 degrees Celsius when 126 J of heat is added to the substance. What is the most likely identity of the substance? The table lists the

  1. chem

    Calculate the pH of 0.20 M NaCN solution. NaCN ---> Na+ + CN- CN- + H20+ ---> HCN+ + OH- Initial conc. of CN- = 0.20 mol/L change = -x equillibrium = 0.20-x HCN equill. = +x OH equill. = 1x10^-7+x Ka= 6.2 x 10^-10 Kb = KW/Ka =

  2. Math

    Each ounce of a substance A supplies 2% of the nutrition a patient needs. Substance B supplies 15% of the required nutrition per ounce, and substance C supplies 15% of the required nutrition per ounce. If digestive restrictions

  3. chemistry

    2. Imagine you have two beakers. Both beakers are filled with the same amount of water. The water in both beakers is the same temperature as well. You add 50 g of Substance A to the first beaker, and 50 g of Substance B to the

  4. chemistry

    The specific heat of gold is 0.031 calories/gram°C and the specific heat of silver is 0.057 calories/gram°C. If equal amounts of each metal are exposed to equal heating, which will heat up faster?

You can view more similar questions or ask a new question.