You need a 450-microgram sample of gold, but you only have a mass balance that measures in decigram. Convert the amount of gold you need to decigrams by comparing the exponents. Provide your answer in scientific notation.

Which of the following is an example of how the principle of beneficence can be applied to a study employing human subjects? providing detailed information about the study and obtaining the subject's consent to participate. ensuring that the selection of subjects includes people from all segments of the population. ensuring that persons with diminished autonomy are protected. determining that the study has a maximization of benefits and a minimization of risks.