Question

Sophia wrote 260,880 as (2 times 100,000)+(6 times 10,000)+(8 times 100). What error did Sophia make

Answer 1

260,880 as (2 times 100,000)+(6 times 10,000)+(8 times 100).

here Sophia must consider 80 as 8 times 10

so that complete expression becomes

260,880 = (2 times 100,000)+(6 times 10,000)+(8 times 100)+(8 times 10)