What is simplify-2e^t(e^{-t}) ?

The solution to simplify-2e^t(e^{-t}) is -2

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simplify-2e^t(e^{-t})

simplify

- 2 e^{t} (e^{- t})

- 2

Solution steps

- 2 e^{t} (e^{- t})

Apply exponent rule:

a^{b} \cdot a^{c} = a^{b + c}

e^{t} e^{- t} = e^{t - t}

= - 2 e^{t - t}

Add similar elements:

t - t = 0

= - 2 e^{0}

Apply rule

a^{0} = 1, a \neq = 0

e^{0} = 1

= - 2 \cdot 1

Multiply the numbers:

2 \cdot 1 = 2

= - 2

(17 \cdot 1 0^{- 3}) \cdot 3.91

4.657 \cdot 1 0^{- 3} \cdot 60

(7 y^{2}) (x^{8} y^{2})

(y + z)^{2} x^{2}

2 (1)^{0.5} (2)