exam
Maths Puzzle
Numerical Ability
Anna has 12 bills in her wallet, some $5 and some $10. The total value of the bills is $100. How many of each bill does Anna have?
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exam Other Question
^ = exponent is being used. / = represent fraction being used
9^x = 1/27 please show by expressing each side as a power of the same base and when equating exponents.
9^x = 1/27
10*10 the 100 power is a googol. What does 1000*10 to the 100 power equal in terms of a googol?
**This is not a problem from my text book.