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Exponents and Powers — MATHS STD 7 — Question

Gujarat BoardEnglish MediumSTD 7MATHSExponents and Powers1 Mark
Question
8 × 106 + 2 × 104 + 5 × 102 + 9 × 100 = 8020509
✓

Answer

True.
Solution:
Take LHS
= 8 × 106 + 2 × 104 + 5 × 102 + 9 × 100
= 8 × 1000000 + 2 × 10000 + 5 × 100 + 9 × 1
[$\therefore$ a0 = 1]
= 8000000 + 2000 + 500 + 9
= 8020509
= RHS
Hence, LHS = RHS.

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