Fractions and Decimals

Discrete Mathematics

Differential Equations

Solved on Oct 20, 2023

Calculate $\frac{270}{2.5^{2}}-\frac{4.6+17.2}{8.4-6.8}$ .

STEP 1

Question: According to the order of operations (PEMDAS), which operation should we perform first in the expression $\frac{270}{2.5^{2}}-\frac{4.6+17.2}{8.4-6.8}$
A) Division B) Addition C) Exponentiation D) Subtraction
Answer: C) Exponentiation

STEP 2

Question: What is the value of the exponent in the expression $2.5^{2}$
A) 6.25 B) 5.0 C) 10.0 D) 12.5
Answer: A) 6.25

STEP 3

Question: What is the result of the operation $4.6 + 17.2$
A) 21.8 B) 22.8 C) 20.8 D) 23.8
Answer: A) 21.8

STEP 4

Question: What is the result of the operation $\frac{21.8}{1.6}$
A) 15.625 B) 13.625 C) 14.625 D) 16.625
Answer: B) 13.625

STEP 5

Question: What is the result of the operation $43.2 - 13.625$
A) 29.575 B) 30.575 C) 28.575 D) 31.575
Answer: A) 29.575

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