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Harlamova29_29 [7]
2 years ago
5

which expression is equivalent to 100 n2 − 1? (10n)2 − (1)2 (10n2)2 − (1)2 (50n)2 − (1)2 (50n2)2 − (1)2

Mathematics
2 answers:
SCORPION-xisa [38]2 years ago
7 0

Answer:

The expression  100n² - 1 is equivalent to (10n)² - 1² .

Step-by-step explanation:

As given the expression in the question be as follow

= 100n² - 1

Take

= (10n)² - 1²

As

(10n)² = 100n²

1² = 1

Put in these values in the expression

=  (10n)² - 1²

= 100n² - 1

Therefore the expression  100n² - 1 is equivalent to (10n)² - 1² .

Wewaii [24]2 years ago
5 0

You know that 100=10^2.

Use the property (ab)^2=a^2\cdot b^2 to state that

100n^2=10^2\cdot n^2=(10n)^2.

Then the expression 100n^2-1 is equivalent to

(10n)^2-1=(10n)^2-1^2.

Answer: correct choice is A.

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