The masses of two metal blocks are measured. Block A has a mass of 8.45 g and Block B has a mass of 45.87 g. How many significan
t digits are expressed in these measurements? What is the total mass of block A plus block B? What is the number of significant digits for the total mass?
I was struck by this many years ago while in graduate school. ... People with mental illness tend to die young , but so do their families. ... there is no medical assessment that can diagnose the absence of illness.
