Answer:
Area of gray region =
Step-by-step explanation:
The area covered by the furniture can be subtracted from the total area of the room to calculate the area of the gray region.
<em>Total</em> area of the room:
Area taken up by furniture:
Area of gray region = total area of the room - area taken up by furniture
Area of gray region =
Remember to distribute the negative sign:
Area of gray region =
Combine like terms:
Area of gray region =
Answer:
1) 32
2) 3
3) 135
Step-by-step explanation:
to know: when multiplying terms with same base and exponents, multiply the bases and add the exponents
to know: when dividing terms with same base and exponents, divide the bases and subtract the exponents
to know: whenever exponents are contained within a set of parentheses and separated by another set of parentheses, multiply the exponents
1) (·
·
) ÷ 2³
= 3
2) (15· 25j²
) ÷ 5³j³k³ = (375
) ÷ 125j³k³ = 3
3) (5 · 3³) = 135