Number bases

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

Tags

CCSS.4.OA.C.5

Convert 123₄ to base 10?

• 18

• 123

• 27

• 25

Convert 145 to base 4.

• 145₄

• 2101₄

• 3001₄

• 1202₄

What is the value in base 10?

 $\left(101011\right)_2$  

• 45

• 34

• 43

• 86

What is the value of 1203₄?

• 67

• 48

• 54

• 99

Given that x₅ = 35_10, then x =

• 10
• 12
• 20
• 120