Question

Round the number. Write the result as a product of a single digit and a power of 10.

0.000000000994

Answer 1

9.94 × 10 ^ -10

10 x 10^ -10

Explanation:

Move the decimal over to the right. Count the decimal spaces until it reaches 9.94. The number of spaces is 10. When moving the decimal to the right the exponent is a negative number. 9.94 can be rounded up to 10.