In a value, any zero digit is considered a significant digit. What is the minimum number of significant digits in 820,000,000

Problem 1: given: 14 coulombs of charge flow in an electrical circuit. the charge is pushed by a voltage difference if 8 volts. a) calculate the amount of work done in volt. coulombs. b.) calculate the work done in joules.

Amanda, a forensics expert, has been called in to examine blood samples and prints found at a crime scene. she conducts a thorough analysis of the matter using her expertise and knowledge. she then prepares forensic reports to support the police investigation. what type of evidence has amanda provided in this situation? a. real evidence b. testimonial evidence c. direct evidence d. circumstantial evidence

Along with removing drugs from the body, the kidneys also a. balance ph levels b. release hormones that regulate blood pressure c. release hormones into the stomach d. a and b