Express the numbers 0.00087 and 54,200,000 in scientific notation

a)

b)

Explanation:

Scientific notation is defined as the representation of expressing the numbers that are too big or too small and are represented in the decimal form with one digit before the decimal point times 10 raise to the power.

For example : 5000 is written as

a) 0.00087

This number is written in scientific notation as :

b) 54,200,00

This number is written in scientific notation as :

d: the voltage of the secondary coil is less than that of the primary coil.

im not suree sorry if wrong

girl imma just put my comment here because i need a couple point okurrttt