Mastering Math Concepts

What is 3.5 multiplied by 2.4?

• 7.2

• 6.8

• 9.6

• 8.4

Answer explanation

To find 3.5 multiplied by 2.4, calculate 3.5 * 2.4 = 8.4. Therefore, the correct answer is 8.4.

Evaluate 2^5.

• 64

• 32

• 24

• 16

Answer explanation

To evaluate 2^5, multiply 2 by itself 5 times: 2 x 2 x 2 x 2 x 2 = 32. Therefore, the correct answer is 32.

What is the result of 8 + 2 × (3 - 1)?

• 14

• 12

• 10

• 6

Answer explanation

According to the order of operations, first calculate the expression in parentheses: (3 - 1) = 2. Then, multiply: 2 × 2 = 4. Finally, add: 8 + 4 = 12. Thus, the correct answer is 12.

Identify the next number in the pattern: 2, 4, 8, 16, __.

• 24

• 40

• 64

• 32

Answer explanation

The pattern doubles each number: 2, 4 (2x2), 8 (4x2), 16 (8x2). Continuing this, 16 doubled is 32. Therefore, the next number is 32.

What is the 3rd term in the geometric sequence 3, 6, 12, __?

• 30

• 24

• 36

• 18

Answer explanation

In the geometric sequence, each term is multiplied by 2. Starting with 3, the second term is 3 x 2 = 6, and the third term is 6 x 2 = 12. Therefore, the fourth term is 12 x 2 = 24, making the correct answer 24.

Multiply 0.6 by 0.7.

• 0.56

• 0.36

• 0.42

• 0.49

Answer explanation

To multiply 0.6 by 0.7, calculate 0.6 * 0.7 = 0.42. Thus, the correct answer is 0.42.

Evaluate 3^4.

• 27

• 100

• 64

• 81

Answer explanation

To evaluate 3^4, calculate 3 multiplied by itself four times: 3 x 3 x 3 x 3 = 81. Therefore, the correct answer is 81.

Using BEDMAS, what is 10 - 2 × 3 + 5?

• 8

• 12

• 9

• 7

Answer explanation

Using BEDMAS, first multiply: 2 × 3 = 6. Then, perform the operations from left to right: 10 - 6 + 5 = 4 + 5 = 9. Thus, the correct answer is 9.

What comes next in the pattern: 5, 10, 15, 20, __?

• 40

• 35

• 25

• 30

Answer explanation

The pattern increases by 5 each time: 5, 10, 15, 20. The next number is 20 + 5 = 25. Therefore, the correct answer is 25.

Find the 5th term in the geometric pattern: 1, 3, 9, 27, __.

• 54

• 36

• 81

• 100

Answer explanation

The pattern is a geometric sequence where each term is multiplied by 3. The 5th term is 27 * 3 = 81, making the correct answer 81.