Clare was wondering if adding and subtracting numbers in scientific
notation would hold true for small numbers as well. The measurements in
the table are from her science textbook.
Measurement (centimeters)
Item
Width of human hair strand
Diameter of a grain of sand
Length of a dust mite
0.00108
0.00609
0.0136
Find the sum of the width of human hair strand and the diameter of a
grain of sand.
Your turn: Find the difference between the length of a dust mite and the width
of a human hair strand.