exam Maths Puzzle Numerical Ability

Hi could you help me figure out this word problem?

The electric current I in amperes of a circuit is given by the formula log base 2 of I=-t. Find the current when t is 3s.

Thanks for the help

Read Solution (Total 0)

exam Other Question

A purchase of 5 oranges and 6 bananas is 2.05 and a purchase of 7 oranges and 8 bananas is 2.79. What is the cost of each orange? A department store is planning to hire up to 24 temp. employees for a tent sale. Expierenced workers will be paid $20 per hour and inexperienced workers $15 per hour. The company c