Answer:
20 feet
Step-by-step explanation:
13 foot ladder + 7 feet more = 20 feet
7.779955 × 10 to the 4th power.
Answer:
Answer below
Step-by-step explanation:
A base is the number of digits in a number system. For example in the decimal number system we use the 10 digits ( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ). So it has the base 10.
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