Is 0.641 x 10^3 correct scientific notation

Twenty-eight hundredths as a decimal and fraction

What is the answer to the fraction 6 5/8-4 2/9

I buy 4.50 yards of material at $4.47 what is the totoal cost of material

Y = x - 3? A. (-2, 5) B. (-5, 2) C. (2, 5) D. (5, 2)

I have 6 eggs. I broke 2, I fried 2, and I ate 2. How many eggs do I have left?

Jessica wants to buy a guitar. she has enough money in her bank accounts to pay cash for a new guitar for 1150 or a used guitar for 500. jessica wants to choose the guitar that has a better impact on her net worth.

What is 3.5 in fraction form

The range of which function is (2, infinity) ? y = 2x? y = 2 (5x) ? y = 5x + 2? y = 5x + 2?

What would this problem be factored to? a^2-b^2

the owner of a clothing store received a shipment of 1,230 paires of socks. The socks came in 36 boxes. The same number of pairs of socks were in 35 of the boxes. How many paires of scocks were in the last box?