Write 60,000+9,000+400+90+8 in standard form

The multiplicative property of equality states that for real numbers a, b, c, and d, if a = b and c = d, then ac = bd. true false

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )