At a party, there are 8 small tables with 4 chairs at each table. which expression can be used to find the number of chairs there are at the party?
8 + 4
8 – 4
8 × 4
8 ÷ 4

Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?

How do i multiply two digit numbers

(01.04 lc)multiply 1 over 6 multiplied by negative 1 over 2. negative 1 over 3 negative 1 over 12 1 over 12 1 over 3