F4C2 Place value and changing base n to base 10

Given that x₅ = 35_10, then x =

• 10
• 12
• 20
• 120

11 011₂ =

• 17₁₀
• 27₁₀
• 33₁₀
• 37₁₀

• 48

• 384

• 600

• 3072

• 8

• 12

• 48

• 52

Given that x₅ = 35_10, then x =

• 10
• 12
• 20
• 120

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

• 50
• 100
• 200
• 250

Convert 123₄ to base 10?

• 18

• 123

• 27

• 25

11 011₂ =

• 17₁₀
• 27₁₀
• 33₁₀
• 37₁₀

State the place value of the underlined digit.

341₈

• 8¹

• 8²

• 8³

• 8⁰