Answer:
x=ln(61)/ln(4)
Step-by-step explanation:
4^x+3=64
4^x=64-3
4^x=61
x=ln(61)/ln(4)
I’m not 100% sure but I believe it’s A
Change the divisor 71.2 to a whole number by moving the decimal point 1 places to the right. Then move the decimal point in the dividend the same, 1 places to the right. We then have the equation: 712 into 0.6125 equals 0.0008 Calculated to 4 decimal places.
0 0. 0 0 0 8
7 1 2 0 0. 6 1 2 5
− 0
0 0
− 0
0 6
− 0
6 1
− 0
6 1 2
− 0
6 1 2 5
− 5 6 9 6
4 2 9