The correct option is A 2By the Laws of Exponents, we know that a^0=1 ⇒2^0=1 and nbsp;5^0=1 ⇒2^0+5^0=1+1=2 ...

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Standard VII

Mathematics

Zero Exponents

Evaluate 20+5...

Question

Evaluate $2^{0} + 5^{0}$

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Solution

The correct option is A 2
By the Laws of Exponents, we know that $a^{0} = 1$
$\Rightarrow$ $2^{0} = 1$ and $5^{0} = 1$
$\Rightarrow$ $2^{0} + 5^{0} = 1 + 1 = 2$

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Evaluate 20+50

The correct option is A 2By the Laws of Exponents, we know that a0=1 ⇒20=1 and 50=1 ⇒20+50=1+1=2

Evaluate $2^{0} + 5^{0}$

The correct option is A 2
By the Laws of Exponents, we know that $a^{0} = 1$
$\Rightarrow$ $2^{0} = 1$ and $5^{0} = 1$
$\Rightarrow$ $2^{0} + 5^{0} = 1 + 1 = 2$