Answer
The equivalent Ionic Greek numeral is\[\upsilon \nu \gamma \].
Work Step by Step
The number\[453=400+50+3\]
Greek numeral upsilon symbolized as\[\upsilon =\text{ }400\]
Greek numeral nu symbolized as\[\nu =\text{ }50\]
Greek numeral gamma symbolized as\[\gamma =\text{ }3\]
Plus sign is left out in Greek numeral. Thus, the number 453 in Greek numeral is written as \[\upsilon \nu \gamma \].