There are 5 significant figures in the number 84062.
There are 5 digits at all, and none of them are leading zeros (they are always insignificant). Also there are no trailing zeros (they are sometimes considered insignificant).
And because we know nothing about the precision of the original data, if this number is obtained from some calculations, we have to assume all digits significant.
Zero inside the number is significant, too, because it gives important...
Answer:
Elizabeth Anne Ford was the First Lady of the United States from 1974 to 1977, as the wife of President Gerald Ford. As First Lady, she was active in social policy and set a precedent as a politically active presidential spouse.
Explanation:
She was - after Eleanore Roosevelt - the first politically active First Lady, very outspoken on a number of social issues - on which she held liberal views. She was pro-choice, a feminist, passionately supported equal rights for women, and was a strong supporter of better gun control measures.
After an intervention by her family she not only faced her alcoholism, but went public with her struggles with alcohol and prescription medicine and became the founder of the still-famous Betty Ford clinic.