Grade 5ChallengePowers of Ten SharePowers of Ten · Challenge problemThe whole numbers aaa and bbb make both of these true:0.004×10a=40and4000÷10b=0.040.004 \times 10^{a} = 40 \qquad\text{and}\qquad 4000 \div 10^{b} = 0.040.004×10a=40and4000÷10b=0.04What is a+ba + ba+b?Check Show answer Walk through it step by step Practice more like this Review this concept