Question
1. Rangskik die volgende getalle in dalende (descending) volgorde: \[ -10 ; 9 ; 5 ;-120 ; 1 ; 7 \] (2) 2. Bereken (Calculate) die volgende. Toon alle stappe. a) \( -7+(-13) \) (1) \[ 7+(-17)=-6 \] b) \( 16-(-19) \) c) \( -18+(14-3) \) d) \( -6+3 \times 2^{2} \) e) \( \sqrt{\sqrt{81}} \)
Ask by Barker Knight. in South Africa
Feb 03,2025
Real Tutor Solution
Tutor-Verified Answer
Answer
### Vraag 1:
**Rangskik die volgende getalle in dalende volgorde:**
\[
-10 ; 9 ; 5 ; -120 ; 1 ; 7
\]
**Antwoord:**
\[
9, \ 7, \ 5, \ 1, \ -10, \ -120
\]
---
### Vraag 2:
**Bereken die volgende. Toon alle stappe.**
#### a) \( -7 + (-13) \)
\[
-20
\]
#### b) \( 16 - (-19) \)
\[
35
\]
#### c) \( -18 + (14 - 3) \)
\[
-7
\]
#### d) \( -6 + 3 \times 2^{2} \)
\[
6
\]
#### e) \( \sqrt{\sqrt{81}} \)
\[
3
\]
Solution
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Extra Insights
1. Die getalle in dalende volgorde is: \[ 9 ; 7 ; 5 ; 1 ; -10 ; -120 \] 2. a) Berekening van \( -7 + (-13) \): \[ -7 + (-13) = -7 - 13 = -20 \] b) Berekening van \( 16 - (-19) \): \[ 16 - (-19) = 16 + 19 = 35 \] c) Berekening van \( -18 + (14 - 3) \): \[ -18 + 11 = -7 \] d) Berekening van \( -6 + 3 \times 2^{2} \): \[ -6 + 3 \times 4 = -6 + 12 = 6 \] e) Berekening van \( \sqrt{\sqrt{81}} \): \[ \sqrt{81} = 9 \quad \text{en dan} \quad \sqrt{9} = 3 \]