To prepare for a bake-off, Joy used 690 grams of flour each day for 2 weeks. How many kilograms did Joy use in those 2 weeks? 1 g = 0.001 kg

What is the pattern in the values as the exponents increase?

What is the maximum total area that 450cm of string can enclose if it is used to form perimeters of two adjoining rectangles as shown?

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?