You could buy
You can buy one of the following:
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Random number tables
"A Million Random Digits with 100,000 Normal Deviates" by Michael D. Rich for £62 (SG$118.90) from waterstones
Buy all billionaires
You can buy each US-dollar billionaire one of the following items:
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Cups of instant coffee
Cost per cup of instant coffee for £0.05 (SG$0.09)
Shopping list
You can buy all of the following:
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1 Carl Sagan's Cosmos DVD
Inspirational and wide-appeal science series. Thirteen episodes, each one hour long. for £11.71 (SG$22.46) from source -
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1 Cup of instant coffee
Cost per cup of instant coffee for £0.05 (SG$0.09)