the incas developed a record - keeping system using\n○ shells and beads on strings.\n○ knots and designs in…
the incas developed a record - keeping system using\n○ shells and beads on strings.\n○ knots and designs in strings.\n○ writing and pictographs.\n○ numbers and calculations.
Answer
Brief Explanations:
The Incas used a quipu, which was a system of knots and designs in strings for record - keeping. They did not have a fully developed writing system like some other ancient civilizations, and did not use shells and beads on strings, writing and pictographs, or numbers and calculations in the way described for record - keeping as their main system.
Answer:
knots and designs in strings.