Which equation can be used to find the two numbers whose ratio is 4 to 3 and that have a sum of 42?

Astudent has created the give circuit diagram. it consists of a battery, a resistor, and a light bulb. in one minute, 1.2c of charge flows through the resistor. how much charge flows through the light bulb in one minute?

Write the standard form of an equation with (see picture below)

Convert 3,200,000 to a scientific notation.