suppose you add 10^10 + 10^100. What, approximately, is the answer? A. 10^10 B. 10^100 C. 10^110 B. 10^1000

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the 10. If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

1 × 10^100.

So the answer's B

B. 10^100

Step-by-step explanation:

10^10 + 10^100

10^10 ( 1 + 10^10)

10^10 x 10^10 = 10^100   bc 10 times 10 equals 100

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step-by-step explanation:

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.