Question
$8 \times 106 + 2 \times 104 + 5 \times 102 + 9 \times 100 = 8020509$
✓
Answer
Take $LHS$
$=8 \times 10^6+2 \times 10^4+5 \times 10^2+9 \times 10^0$
$=8 \times 1000000+2 \times 10000+5 \times 100+9 \times 1$
${\left[\therefore a^0=1\right]}$
$=8000000+2000+500+9$
$=8020509$
$=\text { RHS }$
Hence, $LHS = RHS.$
$=8 \times 10^6+2 \times 10^4+5 \times 10^2+9 \times 10^0$
$=8 \times 1000000+2 \times 10000+5 \times 100+9 \times 1$
${\left[\therefore a^0=1\right]}$
$=8000000+2000+500+9$
$=8020509$
$=\text { RHS }$
Hence, $LHS = RHS.$
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