Answer:
0.81
Step-by-step explanation:
0.45 + 0.59 - 0.23
= 0.81
<em>9)</em>
<em>- 12xy/7x⁴ × 21x⁵y²/4y = - 9x²y²</em>
<em>10)</em>
<em>- 3x⁵/x¹³ × 2x¹⁰y/15y² = -2x²/5y</em>
<em>11)</em>
<em>4xy¹¹/x⁷y⁶ × 6x⁸y/8x³ = 3y⁶/x</em>
<em>12)</em>
<em>y¹⁰/2x³ × 20x¹⁴/xy⁶ = 10x¹⁰y⁴</em>
<em>13)</em>
<em>5x⁻²/3x × 2y³/x¹⁰ = 10y³/3x¹³</em>
<em>14)</em>
<em>(5xy/8x⁻¹y²)² × 26y³/5x²y⁵ =</em>
<em>= 25x⁴/64y² × 26/5x²y²</em>
<em>= 65x²/32y⁴</em>
<em />
If y = 6, then 5(6) or 5 x 6 = 30.
The answer is C
Roots/zero because wait is that what you said