2) (2.8 x 102) x (3 x 104) Strategy One: Strategy Two:

Powers of 10:

Standard Form:

3) (12 x 105) x (9 x 10-2) Strategy One:

Strategy Two:

Powers of 10:

Standard Form:

$450 is the answer.

step-by-step explanation:

30% of 450 = 135

450-135=315

go on the tube you might find some information there

3 qrs + 3/2 xy hope this : /

step-by-step explanation:

"standard form:

3x2 + 14x − 10 = 0

solutions based on quadratic formula:

x1   = −14 − √ 142 − 4×3×(−10) /   2×3   = −14 − 2 × √ 79 /   6   ≈ −5.296

x2   = −14 + √ 142 − 4×3×(−10) /   2×3   = −14 + 2 × √ 79 /   6   ≈ 0.629