(a)
421₅ = 4×5² + 2×5¹ + 1×5⁰
… = 100 + 10 + 1
… = 111
(b)
11101₂ = 1×2⁴ + 1×2³ + 1×2² + 0×2¹ + 1×2⁰
… = 16 + 8 + 4 + 0 + 1
… = 29
(c)
13T₁₂ = 1×12² + 3×12¹ + 10×12⁰
… = 144 + 36 + 10
… = 190
Step-by-step explanation:
the answer is in the above image
Answer:
You just need to demonstrate that the expression is not equivalent. To do that, we just need to evaluate the expression with a specific number.

For
, we have

Notice that the answer is true because 2 is not equivalent to 5.
Therefore, the expression is actually non-equivalent.
Answer:
Step-by-step explanation:
y > - x + 3
y ≤ 2x - 2
Answer:
43.66
Step-by-step explanation:
Just calculate 59% of 74