(3.5 x 10 ^5) x (4 x 10^ 3)

How many grams must be adde to 970g to make 1 and a half kg

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Daniel bought a computer game for $25 and later sold it to thomas for a 40% profit. how much did daniel sell the computer game for?