Question

Write a x (-a) x 13 x a x (-a) x 13 in power notation.

Answer 1

Answer:

a^4×13^2

Step-by-step explanation:

this is your answer

Answer 2

The power notation of $a\times (-a)\times 13\times a\times (-a)\times 13$ is $a^{4}\times 13^{2}$.

Step-by-step explanation:

We have,

$a\times (-a)\times 13\times a\times (-a)\times 13$

To write $a\times (-a)\times 13\times a\times (-a)\times 13=?$

∴ $a\times (-a)\times 13\times a\times (-a)\times 13$

$=[a\times (-a)\times a\times (-a)][13\times 13]$

$=[a^2\times (-a)^2][13^{2} ]$

[∵ $a^{m} \times a^{n}=a^{m+n}$]

$=(a^2\times a^2)(13^{2})$

[∵ (-) × (-) = +]

$=(a^{2+2})(13^{2})$

Using,

$a^{m} \times a^{n}=a^{m+n}$

$=a^{4}\times 13^{2}$

Hence, the power notation of $a\times (-a)\times 13\times a\times (-a)\times 13$ is $a^{4}\times 13^{2}$.