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Numeri relativi e potenze

by Quizhat · 12 questions · Updated · CC BY

SchoolItalian

Quiz per le medie su numeri con segno, potenze, proprietà e ordine delle operazioni. Dodici domande, circa 8 minuti.

Quiz questions

Question 1 · True / False · 30s · 1 pt

Lo zero è un numero positivo.

  • Vero
  • Falso

Question 2 · Single choice · 30s · 1 pt

Quanto fa (−4) × (−6)?

  • 10
  • 24
  • −10
  • −24

Question 3 · Single choice · 30s · 1 pt

Quanto fa 2⁵?

  • 10
  • 32
  • 16
  • 25

Question 4 · Single choice · 30s · 1 pt

Quanto fa 5⁰?

  • Non si può calcolare
  • 0
  • 1
  • 5

Question 5 · Single choice · 30s · 1 pt

Qual è il risultato di 2³ × 2⁴ come potenza di 2?

  • 2¹
  • 2¹²
  • 4⁷
  • 2⁷

Question 6 · Single choice · 30s · 1 pt

Quanto fa 3 + 4 × 2?

  • 10
  • 14
  • 11
  • 24

Question 7 · Single choice · 30s · 1 pt

Quanto fa −7 − (−2)?

  • −5
  • 5
  • −9
  • 9

Question 8 · Single choice · 30s · 1 pt

Quanto fa (−2)³?

  • −6
  • 6
  • −8
  • 8

Question 9 · Single choice · 30s · 1 pt

Quanto fa (−18) ÷ (+3)?

  • −15
  • −6
  • 15
  • 6

Question 10 · Multiple choice · 30s · 1 pt

Quali di queste espressioni valgono 16?

  • 8²
  • 3⁴
  • 2⁴
  • 4²

Question 11 · True / False · 30s · 1 pt

Un numero negativo elevato a un esponente pari dà un risultato positivo.

  • Vero
  • Falso

Question 12 · Single choice · 30s · 1 pt

Quanto fa (−3) + (−5)?

  • −8
  • −2
  • 8
  • 2

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