0.00032cm*4.02=1.2864 × 10^-3 in scientific notation.
Answer:Density is the mass of an object divided by its volume. Density often has units of grams per cubic centimeter (g/cm3). ... You probably have an intuitive feeling for density in the materials you use often. For example, sponges are low in density; they have a low mass per unit volume.
Explanation:
Answer:
v=wavelength ×f
wavelength=v/f=455/655=0.694m
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step by step explanation:
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