Noah reads the problem, "Evaluate each expression, giving the answer in scientific notation. The first problem part is: 5.4 x 105 +2.3 x 10*. Noah says, "I can rewrite 5.4 x 10as 54 X 104. Now
I can add the numbers: 54 x 10* + 2.3 x 104 = 56.3 x 10*." Do you agree with Noah's solution
to the problem? Explain your reasoning.

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

What is the gcf of 20c^3-5c^4+30c^6

The experience c-0.25c can be used to find the cost of an item on sale for 25% off which expression beloit equivalent to c-0.25c