Respuesta :
Respuesta:
Expanded Form
[tex]\sf{\red1.\: 3^3+2^5}1.3 [/tex]
3
+2
5
[tex]\begin{gathered}\sf{Expanded\:Form:} \\ (3×3×3) + (2×2×2×2×2) \\ = 27 + 59997\end{gathered} [/tex]
ExpandedForm:
(3×3×3)+(2×2×2×2×2)
=27+32=59
[tex]\sf{\red2.\:2^6÷4^2}2.2 [/tex]
6
÷4
2
[tex]\begin{gathered}\sf{Expanded\:Form:} \\ (2×2×2×2×2×2)÷(4×4) \\ = 64÷16= 4\end{gathered} [/tex]
ExpandedForm:
(2×2×2×2×2×2)÷(4×4)
=64÷16=4
[tex]\sf{\red3. 3^2×5^2}3.3 [/tex]
2
×5
2
[tex]\begin{gathered}\sf{Expanded\:Form:} \\ (3×3)×(5×5) \\ = 9 × 25 = 225\end{gathered} [/tex]
ExpandedForm:
(3×3)×(5×5)
=9×25=225
[tex]\sf{\red4.\:5^3×2^8}4.5 [/tex]
3
×2
8
[tex]\begin{gathered}\sf{Expanded\:Form:} \\(5×5×5)×(2×2×2×2×2×2×2×2) \\ =125×256= 32,000\end{gathered} [/tex]
ExpandedForm:
(5×5×5)×(2×2×2×2×2×2×2×2)
=125×256=32,000
[tex]\sf{\red5.\:6^3-3^4}5.6 [/tex]
3
−3
4
[tex]\begin{gathered}\sf{Expanded\:Form:} \\ (6×6×6)-(3×3×3×3) \\ = 216 - 81 = 135\end{gathered} [/tex]
ExpandedForm:
(6×6×6)−(3×3×3×3)
=216−81=135
3x + 2y = 5
x = 2y + 7
Sustituimos
3(2y + 7) + 2y = 5
6y + 21 + 2y = 5
8y = 5-21
8y = -16
y = -16/8
y = -2
Sustituimos en la ecuación despejada con x
x = 2(-2) + 7
x = -4 + 7
x = 3
Un saludo
x = 2y + 7
Sustituimos
3(2y + 7) + 2y = 5
6y + 21 + 2y = 5
8y = 5-21
8y = -16
y = -16/8
y = -2
Sustituimos en la ecuación despejada con x
x = 2(-2) + 7
x = -4 + 7
x = 3
Un saludo