10+for+Friday+Q1+Wk+7+
©H E2z0c2a2n AKrustraJ oSGozfXtVw\aXrTe_ qLXLhCQ.O K GA[lbln PrMiNgghEtysw FrJeksaeSrFvOebdp.I X PMAa[dReq hwGiqtNhZ dInnRfHivnxiftOea IPsrJeo-gA[ltg\eBb\r`ai.
Worksheet by Kuta Software LLC
8th Grade 10 for Friday
Week 7: Sept. 19 - Sept. 23
Name___________________________________
Date________________ Period____
Write each number correctly in scientific notation. Solve the equation. Follow each step.
1) 0.868 × 102
0.08 × 102
0.0228 × 101
58.8 × 103
After written correctly, find the product
of the smallest value and largest value.
2) Scott was going to sell all of his stamp
collection to buy a video game. After selling
half of them he changed his mind and bought
ten more. How many did he start with if he
now has 22?
Define variable: ______________
Equation: _____________
Answer: ________________
Simplify each expression.
3) 5(9 2b) 7 4) 8 3(1 + 5r)
5) 3.4x + 3.5(1.3x + 0.4) 6) 8.2(k 5.5) + 3.2k
Evaluate each using the values given.
7) z ( y + y); use y = 6, and z = 5 8) z (zy + x + y); use x = 4, y = 3, and z = 2
Solve each equation.
9) 8(x 5) = 88 10) x + 7(1 8x) = 349