What is the value of 4a3 – 2b2 + 5 when a = 3 and b = −2? Which is equal to 33 • 35? A. 3^−2 B. 3^2 C. 3^8 D. 3^15

Question

3 years ago

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What is the value of 4a3 – 2b2 + 5 when a = 3 and b = −2? Which is equal to 33 • 35? A. 3^−2 B. 3^2 C. 3^8 D. 3^15

(I think its C( above number 2) ( The first picture wants to know what the blank is: 11^what) Which is equal to (second pic) ? A. 10−36 B. 10−4 C. 109 D. 1015

Mathematics

1 answer:

xz_007 [3.2K] · Answer 1 · 2022-07-23T15:13:33+03:00

xz_007 [3.2K]3 years ago

3 0

$1)4a^3-2b^2+5= 4* 3^3 - 2*(-2)^2+5= \\ \\ =4*27-2*4+5= \\ \\ =108-8+5= \\ \\ =100+5 \\ \\ =\boxed{105}$

2) 33*35=1155

A= 3⁻²= 1/3²= 1/9

B=3²=9

C=3⁸= 6561

D=3¹⁵= 14.348.907

$3)11^{24} \\ \\ 4) \frac{10^{12}}{10^{-3}}=10^{12}* 10^{3}=10^{15}$