Question

Expand the following using exponents
a) 3856.78
b) 1280.79​

Answer 1

Answer:

a) 3856.78 = 3×10³ + 8×10² + 5×10¹+ 6×10⁰+7×10-¹ + 8× 10-²

b) 1280.79 = 1× 10³ + 2×10²+ 8×10¹ + 0× 10⁰+ 7× 10-¹ +9×10-2