Chapter 1, Problem 1.80E

what is 1.0x10^-5 equal?

The numerical value for (5.6 x 104) ÷ (7.89 x 102) is equal to, with the proper number of significant figures:

If I wanted to convert 34.5 meters in to km which of the following conversions factors would I need?

A beaker has a mass of 40.94 g. After 5.00 mL of the concentrated hydrochloric acid solution is pipetted into the beaker, the combined mass of the beaker and hydrochloric acid solution is 46.92 g Calculate the density of the hydrochloric acid solution based on the information provided.

A square field has a perimeter of 3.6 km. What is the length of one side in metres?

In the former British monetary system, one pound consisted of four crowns, each crown was worth five shillings, oneshilling was equal to 12 pence (pennies), and each penny could be divided into 4 farthings. Calculate how manyfarthings there are in two pounds.

How many significant figures are in the number 0.0009781?

A laboratory procedure calls for making 390.0 mL of a 1.3 M NaNO3 solution. What mass of NaNO3 (in g) is needed? M=(?)g Express your answer using two significant figures.

calculate the mass of water in metric tons. in a small lake with an average depth of 5.3 m and a surface area of 4.0 hectares. A metric ton = 1000 kg.  a hectare is the area covered by a square measuring 100m by 100m