Decimal Calculations | MCQs

Explanation

Given the equation:

78.36 = 78.36xy

Dividing both sides by 78.36:

1 = xy

The only option that satisfies xy = 1 is:

x = 1 and y = 1

Since 1 × 1 = 1.

The answer is x = 1 and y = 1.

Explanation

• To find the result of the expression 0.571 + 0.989 - 1.231, you simply perform the addition and subtraction:
• 0.571 + 0.989 - 1.231 = 0.329
• So, the result is 0.329.

Explanation

• When you add 7.5, 6, and 1.23 together:
• 7.5 + 6 + 1.23 = 14.73
• So, the answer is 14.73.