Answer:
47.70
Step-by-step explanation:
15.90 times 3 equals your answer 47.70 hope I helped
I believe it's 8.25 x 10-6
in scientific notation, we simply leave an number to the left of the decimal dot, so in 0.00000825, we need to move over the dot to 0000008.25 , and for that, we have to move it 6 slots to the right, meaning an exponent of -6, namely 10⁻⁶.