Given that 43₅ < x₁₀ < 34_8, which of the following is not a possible value of x?

• 25
• 26
• 27
• 28

11 011₂ =

• 17₁₀
• 27₁₀
• 33₁₀
• 37₁₀

Change  351₁₀ to a number in base eight.
Tukar 351₁₀ kepada nombor dalam asas lapan.

• 637₈
• 547₈
• 537₈
• 532₈

What is the value of digit 2, in base ten, in the number 4231₅?

• 50
• 100
• 200
• 250

Given that 4x5³ + 2x5² + 5y = 4230_5, find the value of y.

• 0
• 2
• 3
• 6

Convert 123₄ to base 10?

• 18

• 123

• 27

• 25

What is the value in base 10?

 $\left(101011\right)_2$  

• 45

• 34

• 43

• 86

Given that x₅ = 35_10, then x =

• 10
• 12
• 20
• 120

State all digits that used in base 4.

• 0,1,2

• 0,1,2,3

• 0,1,2,3,4

• 1,2,3

State the place value of the underlined digit.

341₈

• 8¹

• 8²

• 8³

• 8⁰