Question

Work out, giving your answer in standard form.
1.2*10^40+ 1.2*10^41

Answer 1

Answer:

1.2×10^40 +1.2×10^41

=1.2×10^40+1.2×10×10^40

=1.2×10^40 +12×10^40

=(1.2+12)×10^40

=13.2×10^40

=1.32×10^41