QUESTION IMAGE
Question
warm-up
match each exponential expression with its expanded form.
drag the tiles to the boxes to form correct pairs. not all tiles will be used.
①
pairs
-2⁴
2³
(-2)⁴
2²·2³
tiles
(-2)(-2)(-2)(-2) (2·2)·(2·2·2) 2·2·2 2·2·2·2 -(2·2·2·2)
Step1: Resolver $-2^4$
El exponente afecta solo al 2, luego se aplica el signo negativo: $-(2 \cdot 2 \cdot 2 \cdot 2)$
Step2: Resolver $2^3$
El exponente indica multiplicar 2 tres veces: $2 \cdot 2 \cdot 2$
Step3: Resolver $(-2)^4$
El exponente afecta a todo el paréntesis, multiplicando -2 cuatro veces: $(-2)(-2)(-2)(-2)$
Step4: Resolver $2^2 \cdot 2^3$
Se expande cada potencia y se une la multiplicación: $(2 \cdot 2) \cdot (2 \cdot 2 \cdot 2)$
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$-2^4
ightarrow -(2 \cdot 2 \cdot 2 \cdot 2)$
$2^3
ightarrow 2 \cdot 2 \cdot 2$
$(-2)^4
ightarrow (-2)(-2)(-2)(-2)$
$2^2 \cdot 2^3
ightarrow (2 \cdot 2) \cdot (2 \cdot 2 \cdot 2)$