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log10(100)

2

Common Logarithms of 100

Natural log (ln):4.60517Log base 10:2Log base 2:6.643856Log base e:4.60517

Antilogarithm (Inverse)

102

100

Change of Base Formula

log10(100) = ln(100) / ln(10)

= 4.60517 / 2.302585 = 2

Logarithm Properties

logb(xy) = logb(x) + logb(y)

logb(x/y) = logb(x) - logb(y)

logb(xn) = n × logb(x)

logb(1) = 0

logb(b) = 1

Logarithm Table (Base 10)
log(1):0.0000log(2):0.3010log(3):0.4771log(4):0.6021log(5):0.6990log(6):0.7782log(7):0.8451log(8):0.9031log(9):0.9542log(10):1.0000log(11):1.0414log(12):1.0792log(13):1.1139log(14):1.1461log(15):1.1761log(16):1.2041log(17):1.2304log(18):1.2553log(19):1.2788log(20):1.3010

Special Values

e (Euler's number):2.7182818285ln(e):1log₁₀(10):1log₂(2):1

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