An electron microscope is designed to resolve objects as small as 0.16 nm. What energy electrons must be used in this instrument

emily ruth's annual premium is $1058.50

step-by-step explanation:

emily ruth is a female of 27 years age purchasing 20 year endowment insurance with face value $25000.

from the given table,

for females, the age of a male 3 years younger should be used.

so, we have to check for 24 year male for 20 year endowment.

it is 42.34 for every $1000 face value.

for a face value of $25000,

it is 25 * 42.34 = $1058.50

∴ emily ruth's annual premium is $1058.50

d eras and periods

its c i just checked it

electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.