Explain in decimal form. Find the number of digits in the repeating block.

Without actual division, find which of the following rational numbers have terminating decimal expansion.

i. ii.

iii. iv.

Express the following decimal expansions into rational numbers.

i. ii.

iii. iv.

v. vi.

Find the decimal expansions of and by division method. Without using the long division method, deduce the decimal expressions of from the decimal expansion of .

Locate √5 on the number line.