How do you find the density of a block of wood?
you weigh the block on a balance get its mass
if it is a regular shape block so the volume should be length * weadth * breadth (side * side * side) the density = mass / volume
How does scientific notation help scientists?
Scientific Notation helps scientists write big or small numbers in a shorthand way. For example, instead writing 5,230,000,000,000 it would just be easier to write 5.23 x 10 to the 14th power.
How do you convert 195 trillion from standard notation to scientific notation?
It is: 1.95*10^14 in scientific notation
How do you know if a number is scientific notation?
It is in scientific notation if it looks like
±a*10±b, where a is a number between 1 and 10 (1 ≤ a < 10) and b is an integer.
How do you write 0.025 in scientific notation?
Move 2 decimal places to the right, so the exponent for base 10 is -2. Therefore, 0.025 in Scientific Notation is 2.5 x 10-2