Question

3. Find the number from each of the following expanded forms
(a) 9 x 106 + 8 x 105 + 4 x 104 + 2 x 10° + 7 x 10°
(b) 6 x 104 + 5 x 10+ 2 x 102 + 1 x 10² + 8x10

Answer 1

Step-by-step explanation:

(a) 9×106+8×105+4×104+2×10^0+7×10^0

=954+840+416+2(1) +7(1)

=954+840+416+2+7

=2219

(B) 6×104+5×10+2×102+1×10^2+8×10

=624+50+204+100+80

=1058