Simplest form of: 7+7+7+7+7.
A}7+5
B}7×5
C}7.5
D}7-5
please help me it's for exam
Answers
Simplest form of (7 + 7 + 7 + 7 + 7) is 7×5
Simplest form of (7 + 7 + 7 + 7 + 7) is 7×5option B) 7×5
Given :
option A) 7 +5
option B) 7 ×5
option C) 7.5
option D) 7 - 5
To Find,:
Simplest form of 7 + 7 + 7 + 7 + 7
Solution:
option A) is incorrect
7 + 7 + 7 +7 + 7 = 35
7+ 5 =12
option B) 7×5 is correct
7 + 7 + 7 +7 + 7 = 35
7×5 = 35
option C) 7.5 is incorrect
7 + 7 + 7 +7 + 7 = 35
7.5 = 7 + 0.5
option D) is incorrect
7 + 7 + 7 +7 + 7 = 35
7 - 5 = 2
Hence simplest form of 7 + 7 + 7 +7 + 7 is 7 × 5.
7×5
In the question 7+7+7+7+7 is given.
There are '5' 7s present in the question.
Thus, it can be written as 7*5 is the simplest form.
In another method,
The value of 7+7+7+7+7 is 35.
option A
7+5 = 12
It is not the right answer.
option B
7*5 = 35
Hence, it is the right answer.
option C
7.5
It is not equal to the sum. Hence, it is not the right answer.
option D
7-5 = 2
Hence, it is also not the right answer.