Express the answers to the following calculations in scientific notation
(a) 0.0095 + (8.5 x 10^-3)
(b) 653 + (5.75 x 10^-8)
(c) 850,000 – (9.0 x 10^5)
(d) (3.6 x 10^-4) x (3.6 x 10^6)
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Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2

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