Simplifying Exponential Expressions
Warm-Up
Match the expression to its simplified form.
2-4
32
53
125
5-2
416
25
175

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

Enter numbers to write 0.000328 0.000328 in scientific notation. 1 1 0.000328=3.28 × 0 . 000328 = 3 . 28 × =3.28×10 = 3 . 28 × 10

Divide. –4.2 ÷ 6 = a –0.7 b 0.7 c –7 d 7 me