Question

Find the number from each of the following expanded forms:

a)3×104 + 5×102 + 9 × 100

b)8 ×106 + 5×104 + 6 ×103 + 1 ×102

Answer 1

a.8×106+5×104+6×103+1×102

=848+520+618+102

=1368+720

=2088