Question

Expand the number 1025.64 using exponents

Answer 1

Answer:—

Writing in expanded from, we get :

$1025.64 \: = \: 1 \times 1000 \: + \: 2 \times 10 \: + \: 5 \times 1 \: \times \dfrac{6}{10} \times \dfrac{4}{100} \\ \\ = 1 \times 10 {}^{3} + 2 \times 10 {}^{2} + 5 \times 10 {}^{0} + 6 \times 10 {}^{ - 1} + 4 \times10 {}^{ - 2}$

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Common error you should not do:

Incorrect:

The multiple inverse of 2⁵ is (-2)⁵

Correct:

The multiple inverse of 2⁵ is $2⁵\: is \:2^{-5}$

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