Question 4 (c)

Find:

(–7) + (–8) + (–90)

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Solution

(–7) + (–8) + (–90)
= –7 – 8 – 90

= –(7 + 8 + 90)
= –105

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Similar questions

[(90+4)÷2- 6×6÷2+{(7+4)×10}+8×9- 5]×10+8

Evaluate: [(90 + 4) $\div$ 2 – 6 $\times$ 6 $\div$ 2+ {(7 + 4) $\times$ 10} + 8 $\times$ 9 – 5] $\times$ 10 + 8

Question 6(ii)
Evaluate:
${(\frac{5}{8})}^{- 7} \times {(\frac{8}{5})}^{- 4}$

Question 6(ii)
Evaluate:
${(\frac{5}{8})}^{- 7} \times {(\frac{8}{5})}^{- 4}$

Question 4(iii)
Simplify:
$(7 m - 8 n)^{2} + (7 m + 8 n)^{2}$

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