Number, NAP_70025

Question

(9 - 2)2^2 = ?

Worked Solution

Solution 1:
(9 - 2)2^2 = 72^2
= {{{correctAnswer}}}

Solution 2:
(9 - 2)2^2 = 92−2×9×2+24^2 - 2 \times 9 \times 2 + 2^4
= 81 - 36 + 4
= {{{correctAnswer}}}

Variant 0

DifficultyLevel

415

Question

(9 - 2)2^2 = ?

Worked Solution

Solution 1:
(9 - 2)2^2 = 72^2
= 49

Solution 2:
(9 - 2)2^2 = 92−2×9×2+24^2 - 2 \times 9 \times 2 + 2^4
= 81 - 36 + 4
= 49

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
correctAnswer
49

Answers

Is Correct?Answer
x

7

x

42

✓

49

x

77

Tags

  • staging_suejones