QuestionCalculate the following: $5 - \frac{1}{5}$ , $25 \frac{1}{5}$ , $8(2 + 7)$ , $7 + 2 \cdot 4$ , and $8 \div 4 \times 2$ .

Studdy Solution

STEP 1

Question: What is the result of the operation $5-\frac{1}{5}$ ?
A) 5.2 B) 4.8 C) 25 D) 0.2
Answer: B) 4.8

STEP 2

Question: How do you convert the mixed number $25 \frac{1}{5}$ to an improper fraction?
A) $\frac{25 \times 5 + 1}{5}$ B) $\frac{25 \times 5 - 1}{5}$ C) $\frac{25 + 1}{5}$ D) $\frac{25 - 1}{5}$
Answer: A) $\frac{25 \times 5 + 1}{5}$

STEP 3

Question: What is the result of the operation $8(2+7)$ ?
A) 16 B) 72 C) 56 D) 80
Answer: B) 72

STEP 4

Question: According to the order of operations, what should you calculate first in the expression $7+2 \cdot 4$ ?
A) $7+2$ B) $2 \cdot 4$ C) $7+4$ D) $2+4$
Answer: B) $2 \cdot 4$

STEP 5

Question: What is the result of the operation $8 \div 4 \times 2$ ?
A) 1 B) 4 C) 8 D) 16
Answer: B) 4

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