How many grams are in 2.5 kilograms?

If x = 3² × 2³, then x⁴ =

The Item refer to the information below The following scores were obtained by eleven footballers in a goal-shoot competition:

The median score was

January 1, 1999 a trader bought 100 articles at $5.00 each. During the month 70 Of the articles were sold at $8.00 each and the remainder were sold on January at the market value of $3.00 each. What was the gross for the month?

Alcohol can be separated from beer using:

If a reaction takes 50 seconds at 25 ℃, then at 50 ℃ the time for the reaction in seconds is likely to be about:

The number 32747 written to 4 significant figures is

The density of pure water is:

A shopkeeper buys 24 CD players for a wholesale price of $1800. At what price per CD player must she sell to make a profit of 10% on her cost?

Dividing the mass in grams by the mass of 1 mole in grams gives:

Which statement is not true of sperm and ova?

The statements refer to a fuse. Which one is true?

For which of the following purposes is the information collected in a census normally used?

1. To determine the rate of population growth
2. To predict the needs of the society and plan how to satisfy them
3. To estimate the number of government supporters in the country

The catalyst in the Haber Process is:

Which one of the following diagrams illustrates short-sightedness?

(F = Focal point)

Crossing two brown mice produced an offspring with a black coat.Which of the following statements MUST be correct?
Ⅰ Brown coat is dominant to black.
Ⅱ The brown mice were heterozygous for coat colour.
Ⅲ The black mouse was homozygous for coat colour.
Ⅳ Crossing a black mouse with another black mouse could produce a brown offspring.

The two common varieties of chlorine atoms are called:

Atherosclerosis is a process in which:

The decimal equivalent of ⁷/₈ is

A cell in an embryo divides by mitosis three times in succession. How many cells will be formed from these divisions?