Worldwide expenditures for information technology exceeded$\_\_\_\_\_\_\_\_$ trillion in $2021.$

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Part $1$

A$.$

$$$$5\mathrm{.}0$

B$.$

$$$$4\mathrm{.}0$

C$.$

$$$$6\mathrm{.}0$

D$.$

$$$$4\mathrm{.}8$

E$.$

$$$$13\mathrm{.}0$