Anggaplah dua pernyataan pertama dibawah ini adalah benar. Pernyataan yang ketiga : a. Benar b. Salah c. Tidak Tahu (1) Semua siswa mengikuti ujian (2) Beberapa orang diruangan ini adalah siswa (3) Beberapa orang diruangan ini mengikuti ujian
Answer (3)
The correct answer for the expressio n 20 + 20 × 0 + 1 by applying the rule of PEMDAS is equal to 21.
To explain in detail, we follow the order of **operations **(also known as PEMDAS ) to solve this expression step by step:
Parentheses Exponents Multiplication and Division (from left to right)
Addition and Subtraction (from left to right)
Let's solve the expression step by step:
20 + 20 × 0 + 1
20 + (20 × 0) + 1 [There are no parentheses or brackets]
20 + (0) + 1 [Perform the multiplication first (20 × 0 = 0)]
20 + 0 + 1 [Perform the addition (20 + 0 = 20)]
20 + 1 [Perform the addition (20 + 1 = 21)]
Therefore , the value of the given expression is equal to 21.
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The expression 20 + 20 × 0 + 1 equals 21 when calculated using the order of operations (PEMDAS). The multiplication is performed first, resulting in 20 + 0 + 1 , which then simplifies to 21 .
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Jawab:Penjelasan dengan langkah-langkah:Beberapa orang diruangan ini adalah siswa. Beberapa orang diruangan ini mengikuti ujian. Pernyataan terakhir: 1. benar 2.
